diff options
Diffstat (limited to 'kernel/tools/perf/ui')
37 files changed, 7585 insertions, 0 deletions
diff --git a/kernel/tools/perf/ui/Build b/kernel/tools/perf/ui/Build new file mode 100644 index 000000000..0a73538c0 --- /dev/null +++ b/kernel/tools/perf/ui/Build @@ -0,0 +1,14 @@ +libperf-y += setup.o +libperf-y += helpline.o +libperf-y += progress.o +libperf-y += util.o +libperf-y += hist.o +libperf-y += stdio/hist.o + +CFLAGS_setup.o += -DLIBDIR="BUILD_STR($(LIBDIR))" + +libperf-$(CONFIG_SLANG) += browser.o +libperf-$(CONFIG_SLANG) += browsers/ +libperf-$(CONFIG_SLANG) += tui/ + +CFLAGS_browser.o += -DENABLE_SLFUTURE_CONST diff --git a/kernel/tools/perf/ui/browser.c b/kernel/tools/perf/ui/browser.c new file mode 100644 index 000000000..6680fa5cb --- /dev/null +++ b/kernel/tools/perf/ui/browser.c @@ -0,0 +1,722 @@ +#include "../util.h" +#include "../cache.h" +#include "../../perf.h" +#include "libslang.h" +#include "ui.h" +#include "util.h" +#include <linux/compiler.h> +#include <linux/list.h> +#include <linux/rbtree.h> +#include <stdlib.h> +#include <sys/ttydefaults.h> +#include "browser.h" +#include "helpline.h" +#include "keysyms.h" +#include "../color.h" + +static int ui_browser__percent_color(struct ui_browser *browser, + double percent, bool current) +{ + if (current && (!browser->use_navkeypressed || browser->navkeypressed)) + return HE_COLORSET_SELECTED; + if (percent >= MIN_RED) + return HE_COLORSET_TOP; + if (percent >= MIN_GREEN) + return HE_COLORSET_MEDIUM; + return HE_COLORSET_NORMAL; +} + +int ui_browser__set_color(struct ui_browser *browser, int color) +{ + int ret = browser->current_color; + browser->current_color = color; + SLsmg_set_color(color); + return ret; +} + +void ui_browser__set_percent_color(struct ui_browser *browser, + double percent, bool current) +{ + int color = ui_browser__percent_color(browser, percent, current); + ui_browser__set_color(browser, color); +} + +void ui_browser__gotorc(struct ui_browser *browser, int y, int x) +{ + SLsmg_gotorc(browser->y + y, browser->x + x); +} + +static struct list_head * +ui_browser__list_head_filter_entries(struct ui_browser *browser, + struct list_head *pos) +{ + do { + if (!browser->filter || !browser->filter(browser, pos)) + return pos; + pos = pos->next; + } while (pos != browser->entries); + + return NULL; +} + +static struct list_head * +ui_browser__list_head_filter_prev_entries(struct ui_browser *browser, + struct list_head *pos) +{ + do { + if (!browser->filter || !browser->filter(browser, pos)) + return pos; + pos = pos->prev; + } while (pos != browser->entries); + + return NULL; +} + +void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence) +{ + struct list_head *head = browser->entries; + struct list_head *pos; + + if (browser->nr_entries == 0) + return; + + switch (whence) { + case SEEK_SET: + pos = ui_browser__list_head_filter_entries(browser, head->next); + break; + case SEEK_CUR: + pos = browser->top; + break; + case SEEK_END: + pos = ui_browser__list_head_filter_prev_entries(browser, head->prev); + break; + default: + return; + } + + assert(pos != NULL); + + if (offset > 0) { + while (offset-- != 0) + pos = ui_browser__list_head_filter_entries(browser, pos->next); + } else { + while (offset++ != 0) + pos = ui_browser__list_head_filter_prev_entries(browser, pos->prev); + } + + browser->top = pos; +} + +void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence) +{ + struct rb_root *root = browser->entries; + struct rb_node *nd; + + switch (whence) { + case SEEK_SET: + nd = rb_first(root); + break; + case SEEK_CUR: + nd = browser->top; + break; + case SEEK_END: + nd = rb_last(root); + break; + default: + return; + } + + if (offset > 0) { + while (offset-- != 0) + nd = rb_next(nd); + } else { + while (offset++ != 0) + nd = rb_prev(nd); + } + + browser->top = nd; +} + +unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser) +{ + struct rb_node *nd; + int row = 0; + + if (browser->top == NULL) + browser->top = rb_first(browser->entries); + + nd = browser->top; + + while (nd != NULL) { + ui_browser__gotorc(browser, row, 0); + browser->write(browser, nd, row); + if (++row == browser->rows) + break; + nd = rb_next(nd); + } + + return row; +} + +bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row) +{ + return browser->top_idx + row == browser->index; +} + +void ui_browser__refresh_dimensions(struct ui_browser *browser) +{ + browser->width = SLtt_Screen_Cols - 1; + browser->height = browser->rows = SLtt_Screen_Rows - 2; + browser->y = 1; + browser->x = 0; +} + +void ui_browser__handle_resize(struct ui_browser *browser) +{ + ui__refresh_dimensions(false); + ui_browser__show(browser, browser->title, ui_helpline__current); + ui_browser__refresh(browser); +} + +int ui_browser__warning(struct ui_browser *browser, int timeout, + const char *format, ...) +{ + va_list args; + char *text; + int key = 0, err; + + va_start(args, format); + err = vasprintf(&text, format, args); + va_end(args); + + if (err < 0) { + va_start(args, format); + ui_helpline__vpush(format, args); + va_end(args); + } else { + while ((key = ui__question_window("Warning!", text, + "Press any key...", + timeout)) == K_RESIZE) + ui_browser__handle_resize(browser); + free(text); + } + + return key; +} + +int ui_browser__help_window(struct ui_browser *browser, const char *text) +{ + int key; + + while ((key = ui__help_window(text)) == K_RESIZE) + ui_browser__handle_resize(browser); + + return key; +} + +bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text) +{ + int key; + + while ((key = ui__dialog_yesno(text)) == K_RESIZE) + ui_browser__handle_resize(browser); + + return key == K_ENTER || toupper(key) == 'Y'; +} + +void ui_browser__reset_index(struct ui_browser *browser) +{ + browser->index = browser->top_idx = 0; + browser->seek(browser, 0, SEEK_SET); +} + +void __ui_browser__show_title(struct ui_browser *browser, const char *title) +{ + SLsmg_gotorc(0, 0); + ui_browser__set_color(browser, HE_COLORSET_ROOT); + slsmg_write_nstring(title, browser->width + 1); +} + +void ui_browser__show_title(struct ui_browser *browser, const char *title) +{ + pthread_mutex_lock(&ui__lock); + __ui_browser__show_title(browser, title); + pthread_mutex_unlock(&ui__lock); +} + +int ui_browser__show(struct ui_browser *browser, const char *title, + const char *helpline, ...) +{ + int err; + va_list ap; + + if (browser->refresh_dimensions == NULL) + browser->refresh_dimensions = ui_browser__refresh_dimensions; + + browser->refresh_dimensions(browser); + + pthread_mutex_lock(&ui__lock); + __ui_browser__show_title(browser, title); + + browser->title = title; + zfree(&browser->helpline); + + va_start(ap, helpline); + err = vasprintf(&browser->helpline, helpline, ap); + va_end(ap); + if (err > 0) + ui_helpline__push(browser->helpline); + pthread_mutex_unlock(&ui__lock); + return err ? 0 : -1; +} + +void ui_browser__hide(struct ui_browser *browser) +{ + pthread_mutex_lock(&ui__lock); + ui_helpline__pop(); + zfree(&browser->helpline); + pthread_mutex_unlock(&ui__lock); +} + +static void ui_browser__scrollbar_set(struct ui_browser *browser) +{ + int height = browser->height, h = 0, pct = 0, + col = browser->width, + row = 0; + + if (browser->nr_entries > 1) { + pct = ((browser->index * (browser->height - 1)) / + (browser->nr_entries - 1)); + } + + SLsmg_set_char_set(1); + + while (h < height) { + ui_browser__gotorc(browser, row++, col); + SLsmg_write_char(h == pct ? SLSMG_DIAMOND_CHAR : SLSMG_CKBRD_CHAR); + ++h; + } + + SLsmg_set_char_set(0); +} + +static int __ui_browser__refresh(struct ui_browser *browser) +{ + int row; + int width = browser->width; + + row = browser->refresh(browser); + ui_browser__set_color(browser, HE_COLORSET_NORMAL); + + if (!browser->use_navkeypressed || browser->navkeypressed) + ui_browser__scrollbar_set(browser); + else + width += 1; + + SLsmg_fill_region(browser->y + row, browser->x, + browser->height - row, width, ' '); + + return 0; +} + +int ui_browser__refresh(struct ui_browser *browser) +{ + pthread_mutex_lock(&ui__lock); + __ui_browser__refresh(browser); + pthread_mutex_unlock(&ui__lock); + + return 0; +} + +/* + * Here we're updating nr_entries _after_ we started browsing, i.e. we have to + * forget about any reference to any entry in the underlying data structure, + * that is why we do a SEEK_SET. Think about 'perf top' in the hists browser + * after an output_resort and hist decay. + */ +void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries) +{ + off_t offset = nr_entries - browser->nr_entries; + + browser->nr_entries = nr_entries; + + if (offset < 0) { + if (browser->top_idx < (u64)-offset) + offset = -browser->top_idx; + + browser->index += offset; + browser->top_idx += offset; + } + + browser->top = NULL; + browser->seek(browser, browser->top_idx, SEEK_SET); +} + +int ui_browser__run(struct ui_browser *browser, int delay_secs) +{ + int err, key; + + while (1) { + off_t offset; + + pthread_mutex_lock(&ui__lock); + err = __ui_browser__refresh(browser); + SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); + if (err < 0) + break; + + key = ui__getch(delay_secs); + + if (key == K_RESIZE) { + ui__refresh_dimensions(false); + browser->refresh_dimensions(browser); + __ui_browser__show_title(browser, browser->title); + ui_helpline__puts(browser->helpline); + continue; + } + + if (browser->use_navkeypressed && !browser->navkeypressed) { + if (key == K_DOWN || key == K_UP || + key == K_PGDN || key == K_PGUP || + key == K_HOME || key == K_END || + key == ' ') { + browser->navkeypressed = true; + continue; + } else + return key; + } + + switch (key) { + case K_DOWN: + if (browser->index == browser->nr_entries - 1) + break; + ++browser->index; + if (browser->index == browser->top_idx + browser->rows) { + ++browser->top_idx; + browser->seek(browser, +1, SEEK_CUR); + } + break; + case K_UP: + if (browser->index == 0) + break; + --browser->index; + if (browser->index < browser->top_idx) { + --browser->top_idx; + browser->seek(browser, -1, SEEK_CUR); + } + break; + case K_PGDN: + case ' ': + if (browser->top_idx + browser->rows > browser->nr_entries - 1) + break; + + offset = browser->rows; + if (browser->index + offset > browser->nr_entries - 1) + offset = browser->nr_entries - 1 - browser->index; + browser->index += offset; + browser->top_idx += offset; + browser->seek(browser, +offset, SEEK_CUR); + break; + case K_PGUP: + if (browser->top_idx == 0) + break; + + if (browser->top_idx < browser->rows) + offset = browser->top_idx; + else + offset = browser->rows; + + browser->index -= offset; + browser->top_idx -= offset; + browser->seek(browser, -offset, SEEK_CUR); + break; + case K_HOME: + ui_browser__reset_index(browser); + break; + case K_END: + offset = browser->rows - 1; + if (offset >= browser->nr_entries) + offset = browser->nr_entries - 1; + + browser->index = browser->nr_entries - 1; + browser->top_idx = browser->index - offset; + browser->seek(browser, -offset, SEEK_END); + break; + default: + return key; + } + } + return -1; +} + +unsigned int ui_browser__list_head_refresh(struct ui_browser *browser) +{ + struct list_head *pos; + struct list_head *head = browser->entries; + int row = 0; + + if (browser->top == NULL || browser->top == browser->entries) + browser->top = ui_browser__list_head_filter_entries(browser, head->next); + + pos = browser->top; + + list_for_each_from(pos, head) { + if (!browser->filter || !browser->filter(browser, pos)) { + ui_browser__gotorc(browser, row, 0); + browser->write(browser, pos, row); + if (++row == browser->rows) + break; + } + } + + return row; +} + +static struct ui_browser_colorset { + const char *name, *fg, *bg; + int colorset; +} ui_browser__colorsets[] = { + { + .colorset = HE_COLORSET_TOP, + .name = "top", + .fg = "red", + .bg = "default", + }, + { + .colorset = HE_COLORSET_MEDIUM, + .name = "medium", + .fg = "green", + .bg = "default", + }, + { + .colorset = HE_COLORSET_NORMAL, + .name = "normal", + .fg = "default", + .bg = "default", + }, + { + .colorset = HE_COLORSET_SELECTED, + .name = "selected", + .fg = "black", + .bg = "lightgray", + }, + { + .colorset = HE_COLORSET_CODE, + .name = "code", + .fg = "blue", + .bg = "default", + }, + { + .colorset = HE_COLORSET_ADDR, + .name = "addr", + .fg = "magenta", + .bg = "default", + }, + { + .colorset = HE_COLORSET_ROOT, + .name = "root", + .fg = "white", + .bg = "blue", + }, + { + .name = NULL, + } +}; + + +static int ui_browser__color_config(const char *var, const char *value, + void *data __maybe_unused) +{ + char *fg = NULL, *bg; + int i; + + /* same dir for all commands */ + if (prefixcmp(var, "colors.") != 0) + return 0; + + for (i = 0; ui_browser__colorsets[i].name != NULL; ++i) { + const char *name = var + 7; + + if (strcmp(ui_browser__colorsets[i].name, name) != 0) + continue; + + fg = strdup(value); + if (fg == NULL) + break; + + bg = strchr(fg, ','); + if (bg == NULL) + break; + + *bg = '\0'; + while (isspace(*++bg)); + ui_browser__colorsets[i].bg = bg; + ui_browser__colorsets[i].fg = fg; + return 0; + } + + free(fg); + return -1; +} + +void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence) +{ + switch (whence) { + case SEEK_SET: + browser->top = browser->entries; + break; + case SEEK_CUR: + browser->top = browser->top + browser->top_idx + offset; + break; + case SEEK_END: + browser->top = browser->top + browser->nr_entries - 1 + offset; + break; + default: + return; + } +} + +unsigned int ui_browser__argv_refresh(struct ui_browser *browser) +{ + unsigned int row = 0, idx = browser->top_idx; + char **pos; + + if (browser->top == NULL) + browser->top = browser->entries; + + pos = (char **)browser->top; + while (idx < browser->nr_entries) { + if (!browser->filter || !browser->filter(browser, *pos)) { + ui_browser__gotorc(browser, row, 0); + browser->write(browser, pos, row); + if (++row == browser->rows) + break; + } + + ++idx; + ++pos; + } + + return row; +} + +void __ui_browser__vline(struct ui_browser *browser, unsigned int column, + u16 start, u16 end) +{ + SLsmg_set_char_set(1); + ui_browser__gotorc(browser, start, column); + SLsmg_draw_vline(end - start + 1); + SLsmg_set_char_set(0); +} + +void ui_browser__write_graph(struct ui_browser *browser __maybe_unused, + int graph) +{ + SLsmg_set_char_set(1); + SLsmg_write_char(graph); + SLsmg_set_char_set(0); +} + +static void __ui_browser__line_arrow_up(struct ui_browser *browser, + unsigned int column, + u64 start, u64 end) +{ + unsigned int row, end_row; + + SLsmg_set_char_set(1); + + if (start < browser->top_idx + browser->rows) { + row = start - browser->top_idx; + ui_browser__gotorc(browser, row, column); + SLsmg_write_char(SLSMG_LLCORN_CHAR); + ui_browser__gotorc(browser, row, column + 1); + SLsmg_draw_hline(2); + + if (row-- == 0) + goto out; + } else + row = browser->rows - 1; + + if (end > browser->top_idx) + end_row = end - browser->top_idx; + else + end_row = 0; + + ui_browser__gotorc(browser, end_row, column); + SLsmg_draw_vline(row - end_row + 1); + + ui_browser__gotorc(browser, end_row, column); + if (end >= browser->top_idx) { + SLsmg_write_char(SLSMG_ULCORN_CHAR); + ui_browser__gotorc(browser, end_row, column + 1); + SLsmg_write_char(SLSMG_HLINE_CHAR); + ui_browser__gotorc(browser, end_row, column + 2); + SLsmg_write_char(SLSMG_RARROW_CHAR); + } +out: + SLsmg_set_char_set(0); +} + +static void __ui_browser__line_arrow_down(struct ui_browser *browser, + unsigned int column, + u64 start, u64 end) +{ + unsigned int row, end_row; + + SLsmg_set_char_set(1); + + if (start >= browser->top_idx) { + row = start - browser->top_idx; + ui_browser__gotorc(browser, row, column); + SLsmg_write_char(SLSMG_ULCORN_CHAR); + ui_browser__gotorc(browser, row, column + 1); + SLsmg_draw_hline(2); + + if (row++ == 0) + goto out; + } else + row = 0; + + if (end >= browser->top_idx + browser->rows) + end_row = browser->rows - 1; + else + end_row = end - browser->top_idx; + + ui_browser__gotorc(browser, row, column); + SLsmg_draw_vline(end_row - row + 1); + + ui_browser__gotorc(browser, end_row, column); + if (end < browser->top_idx + browser->rows) { + SLsmg_write_char(SLSMG_LLCORN_CHAR); + ui_browser__gotorc(browser, end_row, column + 1); + SLsmg_write_char(SLSMG_HLINE_CHAR); + ui_browser__gotorc(browser, end_row, column + 2); + SLsmg_write_char(SLSMG_RARROW_CHAR); + } +out: + SLsmg_set_char_set(0); +} + +void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, + u64 start, u64 end) +{ + if (start > end) + __ui_browser__line_arrow_up(browser, column, start, end); + else + __ui_browser__line_arrow_down(browser, column, start, end); +} + +void ui_browser__init(void) +{ + int i = 0; + + perf_config(ui_browser__color_config, NULL); + + while (ui_browser__colorsets[i].name) { + struct ui_browser_colorset *c = &ui_browser__colorsets[i++]; + sltt_set_color(c->colorset, c->name, c->fg, c->bg); + } + + annotate_browser__init(); +} diff --git a/kernel/tools/perf/ui/browser.h b/kernel/tools/perf/ui/browser.h new file mode 100644 index 000000000..92ae72113 --- /dev/null +++ b/kernel/tools/perf/ui/browser.h @@ -0,0 +1,75 @@ +#ifndef _PERF_UI_BROWSER_H_ +#define _PERF_UI_BROWSER_H_ 1 + +#include <linux/types.h> + +#define HE_COLORSET_TOP 50 +#define HE_COLORSET_MEDIUM 51 +#define HE_COLORSET_NORMAL 52 +#define HE_COLORSET_SELECTED 53 +#define HE_COLORSET_CODE 54 +#define HE_COLORSET_ADDR 55 +#define HE_COLORSET_ROOT 56 + +struct ui_browser { + u64 index, top_idx; + void *top, *entries; + u16 y, x, width, height, rows; + int current_color; + void *priv; + const char *title; + char *helpline; + void (*refresh_dimensions)(struct ui_browser *browser); + unsigned int (*refresh)(struct ui_browser *browser); + void (*write)(struct ui_browser *browser, void *entry, int row); + void (*seek)(struct ui_browser *browser, off_t offset, int whence); + bool (*filter)(struct ui_browser *browser, void *entry); + u32 nr_entries; + bool navkeypressed; + bool use_navkeypressed; +}; + +int ui_browser__set_color(struct ui_browser *browser, int color); +void ui_browser__set_percent_color(struct ui_browser *browser, + double percent, bool current); +bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row); +void ui_browser__refresh_dimensions(struct ui_browser *browser); +void ui_browser__reset_index(struct ui_browser *browser); + +void ui_browser__gotorc(struct ui_browser *browser, int y, int x); +void ui_browser__write_graph(struct ui_browser *browser, int graph); +void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column, + u64 start, u64 end); +void __ui_browser__show_title(struct ui_browser *browser, const char *title); +void ui_browser__show_title(struct ui_browser *browser, const char *title); +int ui_browser__show(struct ui_browser *browser, const char *title, + const char *helpline, ...); +void ui_browser__hide(struct ui_browser *browser); +int ui_browser__refresh(struct ui_browser *browser); +int ui_browser__run(struct ui_browser *browser, int delay_secs); +void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries); +void ui_browser__handle_resize(struct ui_browser *browser); +void __ui_browser__vline(struct ui_browser *browser, unsigned int column, + u16 start, u16 end); + +int ui_browser__warning(struct ui_browser *browser, int timeout, + const char *format, ...); +int ui_browser__help_window(struct ui_browser *browser, const char *text); +bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text); +int ui_browser__input_window(const char *title, const char *text, char *input, + const char *exit_msg, int delay_sec); +struct perf_session_env; +int tui__header_window(struct perf_session_env *env); + +void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence); +unsigned int ui_browser__argv_refresh(struct ui_browser *browser); + +void ui_browser__rb_tree_seek(struct ui_browser *browser, off_t offset, int whence); +unsigned int ui_browser__rb_tree_refresh(struct ui_browser *browser); + +void ui_browser__list_head_seek(struct ui_browser *browser, off_t offset, int whence); +unsigned int ui_browser__list_head_refresh(struct ui_browser *browser); + +void ui_browser__init(void); +void annotate_browser__init(void); +#endif /* _PERF_UI_BROWSER_H_ */ diff --git a/kernel/tools/perf/ui/browsers/Build b/kernel/tools/perf/ui/browsers/Build new file mode 100644 index 000000000..de223f5be --- /dev/null +++ b/kernel/tools/perf/ui/browsers/Build @@ -0,0 +1,10 @@ +libperf-y += annotate.o +libperf-y += hists.o +libperf-y += map.o +libperf-y += scripts.o +libperf-y += header.o + +CFLAGS_annotate.o += -DENABLE_SLFUTURE_CONST +CFLAGS_hists.o += -DENABLE_SLFUTURE_CONST +CFLAGS_map.o += -DENABLE_SLFUTURE_CONST +CFLAGS_scripts.o += -DENABLE_SLFUTURE_CONST diff --git a/kernel/tools/perf/ui/browsers/annotate.c b/kernel/tools/perf/ui/browsers/annotate.c new file mode 100644 index 000000000..e5250eb2d --- /dev/null +++ b/kernel/tools/perf/ui/browsers/annotate.c @@ -0,0 +1,1039 @@ +#include "../../util/util.h" +#include "../browser.h" +#include "../helpline.h" +#include "../libslang.h" +#include "../ui.h" +#include "../util.h" +#include "../../util/annotate.h" +#include "../../util/hist.h" +#include "../../util/sort.h" +#include "../../util/symbol.h" +#include "../../util/evsel.h" +#include <pthread.h> + +struct browser_disasm_line { + struct rb_node rb_node; + u32 idx; + int idx_asm; + int jump_sources; + /* + * actual length of this array is saved on the nr_events field + * of the struct annotate_browser + */ + double percent[1]; +}; + +static struct annotate_browser_opt { + bool hide_src_code, + use_offset, + jump_arrows, + show_linenr, + show_nr_jumps; +} annotate_browser__opts = { + .use_offset = true, + .jump_arrows = true, +}; + +struct annotate_browser { + struct ui_browser b; + struct rb_root entries; + struct rb_node *curr_hot; + struct disasm_line *selection; + struct disasm_line **offsets; + int nr_events; + u64 start; + int nr_asm_entries; + int nr_entries; + int max_jump_sources; + int nr_jumps; + bool searching_backwards; + u8 addr_width; + u8 jumps_width; + u8 target_width; + u8 min_addr_width; + u8 max_addr_width; + char search_bf[128]; +}; + +static inline struct browser_disasm_line *disasm_line__browser(struct disasm_line *dl) +{ + return (struct browser_disasm_line *)(dl + 1); +} + +static bool disasm_line__filter(struct ui_browser *browser __maybe_unused, + void *entry) +{ + if (annotate_browser__opts.hide_src_code) { + struct disasm_line *dl = list_entry(entry, struct disasm_line, node); + return dl->offset == -1; + } + + return false; +} + +static int annotate_browser__jumps_percent_color(struct annotate_browser *browser, + int nr, bool current) +{ + if (current && (!browser->b.use_navkeypressed || browser->b.navkeypressed)) + return HE_COLORSET_SELECTED; + if (nr == browser->max_jump_sources) + return HE_COLORSET_TOP; + if (nr > 1) + return HE_COLORSET_MEDIUM; + return HE_COLORSET_NORMAL; +} + +static int annotate_browser__set_jumps_percent_color(struct annotate_browser *browser, + int nr, bool current) +{ + int color = annotate_browser__jumps_percent_color(browser, nr, current); + return ui_browser__set_color(&browser->b, color); +} + +static void annotate_browser__write(struct ui_browser *browser, void *entry, int row) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + struct disasm_line *dl = list_entry(entry, struct disasm_line, node); + struct browser_disasm_line *bdl = disasm_line__browser(dl); + bool current_entry = ui_browser__is_current_entry(browser, row); + bool change_color = (!annotate_browser__opts.hide_src_code && + (!current_entry || (browser->use_navkeypressed && + !browser->navkeypressed))); + int width = browser->width, printed; + int i, pcnt_width = 7 * ab->nr_events; + double percent_max = 0.0; + char bf[256]; + + for (i = 0; i < ab->nr_events; i++) { + if (bdl->percent[i] > percent_max) + percent_max = bdl->percent[i]; + } + + if (dl->offset != -1 && percent_max != 0.0) { + for (i = 0; i < ab->nr_events; i++) { + ui_browser__set_percent_color(browser, bdl->percent[i], + current_entry); + slsmg_printf("%6.2f ", bdl->percent[i]); + } + } else { + ui_browser__set_percent_color(browser, 0, current_entry); + slsmg_write_nstring(" ", pcnt_width); + } + + SLsmg_write_char(' '); + + /* The scroll bar isn't being used */ + if (!browser->navkeypressed) + width += 1; + + if (!*dl->line) + slsmg_write_nstring(" ", width - pcnt_width); + else if (dl->offset == -1) { + if (dl->line_nr && annotate_browser__opts.show_linenr) + printed = scnprintf(bf, sizeof(bf), "%-*d ", + ab->addr_width + 1, dl->line_nr); + else + printed = scnprintf(bf, sizeof(bf), "%*s ", + ab->addr_width, " "); + slsmg_write_nstring(bf, printed); + slsmg_write_nstring(dl->line, width - printed - pcnt_width + 1); + } else { + u64 addr = dl->offset; + int color = -1; + + if (!annotate_browser__opts.use_offset) + addr += ab->start; + + if (!annotate_browser__opts.use_offset) { + printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); + } else { + if (bdl->jump_sources) { + if (annotate_browser__opts.show_nr_jumps) { + int prev; + printed = scnprintf(bf, sizeof(bf), "%*d ", + ab->jumps_width, + bdl->jump_sources); + prev = annotate_browser__set_jumps_percent_color(ab, bdl->jump_sources, + current_entry); + slsmg_write_nstring(bf, printed); + ui_browser__set_color(browser, prev); + } + + printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", + ab->target_width, addr); + } else { + printed = scnprintf(bf, sizeof(bf), "%*s ", + ab->addr_width, " "); + } + } + + if (change_color) + color = ui_browser__set_color(browser, HE_COLORSET_ADDR); + slsmg_write_nstring(bf, printed); + if (change_color) + ui_browser__set_color(browser, color); + if (dl->ins && dl->ins->ops->scnprintf) { + if (ins__is_jump(dl->ins)) { + bool fwd = dl->ops.target.offset > (u64)dl->offset; + + ui_browser__write_graph(browser, fwd ? SLSMG_DARROW_CHAR : + SLSMG_UARROW_CHAR); + SLsmg_write_char(' '); + } else if (ins__is_call(dl->ins)) { + ui_browser__write_graph(browser, SLSMG_RARROW_CHAR); + SLsmg_write_char(' '); + } else { + slsmg_write_nstring(" ", 2); + } + } else { + if (strcmp(dl->name, "retq")) { + slsmg_write_nstring(" ", 2); + } else { + ui_browser__write_graph(browser, SLSMG_LARROW_CHAR); + SLsmg_write_char(' '); + } + } + + disasm_line__scnprintf(dl, bf, sizeof(bf), !annotate_browser__opts.use_offset); + slsmg_write_nstring(bf, width - pcnt_width - 3 - printed); + } + + if (current_entry) + ab->selection = dl; +} + +static bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym) +{ + if (!dl || !dl->ins || !ins__is_jump(dl->ins) + || !disasm_line__has_offset(dl) + || dl->ops.target.offset >= symbol__size(sym)) + return false; + + return true; +} + +static void annotate_browser__draw_current_jump(struct ui_browser *browser) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + struct disasm_line *cursor = ab->selection, *target; + struct browser_disasm_line *btarget, *bcursor; + unsigned int from, to; + struct map_symbol *ms = ab->b.priv; + struct symbol *sym = ms->sym; + u8 pcnt_width = 7; + + /* PLT symbols contain external offsets */ + if (strstr(sym->name, "@plt")) + return; + + if (!disasm_line__is_valid_jump(cursor, sym)) + return; + + target = ab->offsets[cursor->ops.target.offset]; + if (!target) + return; + + bcursor = disasm_line__browser(cursor); + btarget = disasm_line__browser(target); + + if (annotate_browser__opts.hide_src_code) { + from = bcursor->idx_asm; + to = btarget->idx_asm; + } else { + from = (u64)bcursor->idx; + to = (u64)btarget->idx; + } + + pcnt_width *= ab->nr_events; + + ui_browser__set_color(browser, HE_COLORSET_CODE); + __ui_browser__line_arrow(browser, pcnt_width + 2 + ab->addr_width, + from, to); +} + +static unsigned int annotate_browser__refresh(struct ui_browser *browser) +{ + struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); + int ret = ui_browser__list_head_refresh(browser); + int pcnt_width; + + pcnt_width = 7 * ab->nr_events; + + if (annotate_browser__opts.jump_arrows) + annotate_browser__draw_current_jump(browser); + + ui_browser__set_color(browser, HE_COLORSET_NORMAL); + __ui_browser__vline(browser, pcnt_width, 0, browser->height - 1); + return ret; +} + +static int disasm__cmp(struct browser_disasm_line *a, + struct browser_disasm_line *b, int nr_pcnt) +{ + int i; + + for (i = 0; i < nr_pcnt; i++) { + if (a->percent[i] == b->percent[i]) + continue; + return a->percent[i] < b->percent[i]; + } + return 0; +} + +static void disasm_rb_tree__insert(struct rb_root *root, struct browser_disasm_line *bdl, + int nr_events) +{ + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct browser_disasm_line *l; + + while (*p != NULL) { + parent = *p; + l = rb_entry(parent, struct browser_disasm_line, rb_node); + + if (disasm__cmp(bdl, l, nr_events)) + p = &(*p)->rb_left; + else + p = &(*p)->rb_right; + } + rb_link_node(&bdl->rb_node, parent, p); + rb_insert_color(&bdl->rb_node, root); +} + +static void annotate_browser__set_top(struct annotate_browser *browser, + struct disasm_line *pos, u32 idx) +{ + unsigned back; + + ui_browser__refresh_dimensions(&browser->b); + back = browser->b.height / 2; + browser->b.top_idx = browser->b.index = idx; + + while (browser->b.top_idx != 0 && back != 0) { + pos = list_entry(pos->node.prev, struct disasm_line, node); + + if (disasm_line__filter(&browser->b, &pos->node)) + continue; + + --browser->b.top_idx; + --back; + } + + browser->b.top = pos; + browser->b.navkeypressed = true; +} + +static void annotate_browser__set_rb_top(struct annotate_browser *browser, + struct rb_node *nd) +{ + struct browser_disasm_line *bpos; + struct disasm_line *pos; + u32 idx; + + bpos = rb_entry(nd, struct browser_disasm_line, rb_node); + pos = ((struct disasm_line *)bpos) - 1; + idx = bpos->idx; + if (annotate_browser__opts.hide_src_code) + idx = bpos->idx_asm; + annotate_browser__set_top(browser, pos, idx); + browser->curr_hot = nd; +} + +static void annotate_browser__calc_percent(struct annotate_browser *browser, + struct perf_evsel *evsel) +{ + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct disasm_line *pos, *next; + s64 len = symbol__size(sym); + + browser->entries = RB_ROOT; + + pthread_mutex_lock(¬es->lock); + + list_for_each_entry(pos, ¬es->src->source, node) { + struct browser_disasm_line *bpos = disasm_line__browser(pos); + const char *path = NULL; + double max_percent = 0.0; + int i; + + if (pos->offset == -1) { + RB_CLEAR_NODE(&bpos->rb_node); + continue; + } + + next = disasm__get_next_ip_line(¬es->src->source, pos); + + for (i = 0; i < browser->nr_events; i++) { + bpos->percent[i] = disasm__calc_percent(notes, + evsel->idx + i, + pos->offset, + next ? next->offset : len, + &path); + + if (max_percent < bpos->percent[i]) + max_percent = bpos->percent[i]; + } + + if (max_percent < 0.01) { + RB_CLEAR_NODE(&bpos->rb_node); + continue; + } + disasm_rb_tree__insert(&browser->entries, bpos, + browser->nr_events); + } + pthread_mutex_unlock(¬es->lock); + + browser->curr_hot = rb_last(&browser->entries); +} + +static bool annotate_browser__toggle_source(struct annotate_browser *browser) +{ + struct disasm_line *dl; + struct browser_disasm_line *bdl; + off_t offset = browser->b.index - browser->b.top_idx; + + browser->b.seek(&browser->b, offset, SEEK_CUR); + dl = list_entry(browser->b.top, struct disasm_line, node); + bdl = disasm_line__browser(dl); + + if (annotate_browser__opts.hide_src_code) { + if (bdl->idx_asm < offset) + offset = bdl->idx; + + browser->b.nr_entries = browser->nr_entries; + annotate_browser__opts.hide_src_code = false; + browser->b.seek(&browser->b, -offset, SEEK_CUR); + browser->b.top_idx = bdl->idx - offset; + browser->b.index = bdl->idx; + } else { + if (bdl->idx_asm < 0) { + ui_helpline__puts("Only available for assembly lines."); + browser->b.seek(&browser->b, -offset, SEEK_CUR); + return false; + } + + if (bdl->idx_asm < offset) + offset = bdl->idx_asm; + + browser->b.nr_entries = browser->nr_asm_entries; + annotate_browser__opts.hide_src_code = true; + browser->b.seek(&browser->b, -offset, SEEK_CUR); + browser->b.top_idx = bdl->idx_asm - offset; + browser->b.index = bdl->idx_asm; + } + + return true; +} + +static void annotate_browser__init_asm_mode(struct annotate_browser *browser) +{ + ui_browser__reset_index(&browser->b); + browser->b.nr_entries = browser->nr_asm_entries; +} + +#define SYM_TITLE_MAX_SIZE (PATH_MAX + 64) + +static int sym_title(struct symbol *sym, struct map *map, char *title, + size_t sz) +{ + return snprintf(title, sz, "%s %s", sym->name, map->dso->long_name); +} + +static bool annotate_browser__callq(struct annotate_browser *browser, + struct perf_evsel *evsel, + struct hist_browser_timer *hbt) +{ + struct map_symbol *ms = browser->b.priv; + struct disasm_line *dl = browser->selection; + struct annotation *notes; + struct addr_map_symbol target = { + .map = ms->map, + .addr = map__objdump_2mem(ms->map, dl->ops.target.addr), + }; + char title[SYM_TITLE_MAX_SIZE]; + + if (!ins__is_call(dl->ins)) + return false; + + if (map_groups__find_ams(&target, NULL) || + map__rip_2objdump(target.map, target.map->map_ip(target.map, + target.addr)) != + dl->ops.target.addr) { + ui_helpline__puts("The called function was not found."); + return true; + } + + notes = symbol__annotation(target.sym); + pthread_mutex_lock(¬es->lock); + + if (notes->src == NULL && symbol__alloc_hist(target.sym) < 0) { + pthread_mutex_unlock(¬es->lock); + ui__warning("Not enough memory for annotating '%s' symbol!\n", + target.sym->name); + return true; + } + + pthread_mutex_unlock(¬es->lock); + symbol__tui_annotate(target.sym, target.map, evsel, hbt); + sym_title(ms->sym, ms->map, title, sizeof(title)); + ui_browser__show_title(&browser->b, title); + return true; +} + +static +struct disasm_line *annotate_browser__find_offset(struct annotate_browser *browser, + s64 offset, s64 *idx) +{ + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct disasm_line *pos; + + *idx = 0; + list_for_each_entry(pos, ¬es->src->source, node) { + if (pos->offset == offset) + return pos; + if (!disasm_line__filter(&browser->b, &pos->node)) + ++*idx; + } + + return NULL; +} + +static bool annotate_browser__jump(struct annotate_browser *browser) +{ + struct disasm_line *dl = browser->selection; + s64 idx; + + if (!ins__is_jump(dl->ins)) + return false; + + dl = annotate_browser__find_offset(browser, dl->ops.target.offset, &idx); + if (dl == NULL) { + ui_helpline__puts("Invalid jump offset"); + return true; + } + + annotate_browser__set_top(browser, dl, idx); + + return true; +} + +static +struct disasm_line *annotate_browser__find_string(struct annotate_browser *browser, + char *s, s64 *idx) +{ + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct disasm_line *pos = browser->selection; + + *idx = browser->b.index; + list_for_each_entry_continue(pos, ¬es->src->source, node) { + if (disasm_line__filter(&browser->b, &pos->node)) + continue; + + ++*idx; + + if (pos->line && strstr(pos->line, s) != NULL) + return pos; + } + + return NULL; +} + +static bool __annotate_browser__search(struct annotate_browser *browser) +{ + struct disasm_line *dl; + s64 idx; + + dl = annotate_browser__find_string(browser, browser->search_bf, &idx); + if (dl == NULL) { + ui_helpline__puts("String not found!"); + return false; + } + + annotate_browser__set_top(browser, dl, idx); + browser->searching_backwards = false; + return true; +} + +static +struct disasm_line *annotate_browser__find_string_reverse(struct annotate_browser *browser, + char *s, s64 *idx) +{ + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + struct annotation *notes = symbol__annotation(sym); + struct disasm_line *pos = browser->selection; + + *idx = browser->b.index; + list_for_each_entry_continue_reverse(pos, ¬es->src->source, node) { + if (disasm_line__filter(&browser->b, &pos->node)) + continue; + + --*idx; + + if (pos->line && strstr(pos->line, s) != NULL) + return pos; + } + + return NULL; +} + +static bool __annotate_browser__search_reverse(struct annotate_browser *browser) +{ + struct disasm_line *dl; + s64 idx; + + dl = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx); + if (dl == NULL) { + ui_helpline__puts("String not found!"); + return false; + } + + annotate_browser__set_top(browser, dl, idx); + browser->searching_backwards = true; + return true; +} + +static bool annotate_browser__search_window(struct annotate_browser *browser, + int delay_secs) +{ + if (ui_browser__input_window("Search", "String: ", browser->search_bf, + "ENTER: OK, ESC: Cancel", + delay_secs * 2) != K_ENTER || + !*browser->search_bf) + return false; + + return true; +} + +static bool annotate_browser__search(struct annotate_browser *browser, int delay_secs) +{ + if (annotate_browser__search_window(browser, delay_secs)) + return __annotate_browser__search(browser); + + return false; +} + +static bool annotate_browser__continue_search(struct annotate_browser *browser, + int delay_secs) +{ + if (!*browser->search_bf) + return annotate_browser__search(browser, delay_secs); + + return __annotate_browser__search(browser); +} + +static bool annotate_browser__search_reverse(struct annotate_browser *browser, + int delay_secs) +{ + if (annotate_browser__search_window(browser, delay_secs)) + return __annotate_browser__search_reverse(browser); + + return false; +} + +static +bool annotate_browser__continue_search_reverse(struct annotate_browser *browser, + int delay_secs) +{ + if (!*browser->search_bf) + return annotate_browser__search_reverse(browser, delay_secs); + + return __annotate_browser__search_reverse(browser); +} + +static void annotate_browser__update_addr_width(struct annotate_browser *browser) +{ + if (annotate_browser__opts.use_offset) + browser->target_width = browser->min_addr_width; + else + browser->target_width = browser->max_addr_width; + + browser->addr_width = browser->target_width; + + if (annotate_browser__opts.show_nr_jumps) + browser->addr_width += browser->jumps_width + 1; +} + +static int annotate_browser__run(struct annotate_browser *browser, + struct perf_evsel *evsel, + struct hist_browser_timer *hbt) +{ + struct rb_node *nd = NULL; + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + const char *help = "Press 'h' for help on key bindings"; + int delay_secs = hbt ? hbt->refresh : 0; + int key; + char title[SYM_TITLE_MAX_SIZE]; + + sym_title(sym, ms->map, title, sizeof(title)); + if (ui_browser__show(&browser->b, title, help) < 0) + return -1; + + annotate_browser__calc_percent(browser, evsel); + + if (browser->curr_hot) { + annotate_browser__set_rb_top(browser, browser->curr_hot); + browser->b.navkeypressed = false; + } + + nd = browser->curr_hot; + + while (1) { + key = ui_browser__run(&browser->b, delay_secs); + + if (delay_secs != 0) { + annotate_browser__calc_percent(browser, evsel); + /* + * Current line focus got out of the list of most active + * lines, NULL it so that if TAB|UNTAB is pressed, we + * move to curr_hot (current hottest line). + */ + if (nd != NULL && RB_EMPTY_NODE(nd)) + nd = NULL; + } + + switch (key) { + case K_TIMER: + if (hbt) + hbt->timer(hbt->arg); + + if (delay_secs != 0) + symbol__annotate_decay_histogram(sym, evsel->idx); + continue; + case K_TAB: + if (nd != NULL) { + nd = rb_prev(nd); + if (nd == NULL) + nd = rb_last(&browser->entries); + } else + nd = browser->curr_hot; + break; + case K_UNTAB: + if (nd != NULL) + nd = rb_next(nd); + if (nd == NULL) + nd = rb_first(&browser->entries); + else + nd = browser->curr_hot; + break; + case K_F1: + case 'h': + ui_browser__help_window(&browser->b, + "UP/DOWN/PGUP\n" + "PGDN/SPACE Navigate\n" + "q/ESC/CTRL+C Exit\n\n" + "-> Go to target\n" + "<- Exit\n" + "H Cycle thru hottest instructions\n" + "j Toggle showing jump to target arrows\n" + "J Toggle showing number of jump sources on targets\n" + "n Search next string\n" + "o Toggle disassembler output/simplified view\n" + "s Toggle source code view\n" + "/ Search string\n" + "k Toggle line numbers\n" + "r Run available scripts\n" + "? Search string backwards\n"); + continue; + case 'r': + { + script_browse(NULL); + continue; + } + case 'k': + annotate_browser__opts.show_linenr = + !annotate_browser__opts.show_linenr; + break; + case 'H': + nd = browser->curr_hot; + break; + case 's': + if (annotate_browser__toggle_source(browser)) + ui_helpline__puts(help); + continue; + case 'o': + annotate_browser__opts.use_offset = !annotate_browser__opts.use_offset; + annotate_browser__update_addr_width(browser); + continue; + case 'j': + annotate_browser__opts.jump_arrows = !annotate_browser__opts.jump_arrows; + continue; + case 'J': + annotate_browser__opts.show_nr_jumps = !annotate_browser__opts.show_nr_jumps; + annotate_browser__update_addr_width(browser); + continue; + case '/': + if (annotate_browser__search(browser, delay_secs)) { +show_help: + ui_helpline__puts(help); + } + continue; + case 'n': + if (browser->searching_backwards ? + annotate_browser__continue_search_reverse(browser, delay_secs) : + annotate_browser__continue_search(browser, delay_secs)) + goto show_help; + continue; + case '?': + if (annotate_browser__search_reverse(browser, delay_secs)) + goto show_help; + continue; + case 'D': { + static int seq; + ui_helpline__pop(); + ui_helpline__fpush("%d: nr_ent=%d, height=%d, idx=%d, top_idx=%d, nr_asm_entries=%d", + seq++, browser->b.nr_entries, + browser->b.height, + browser->b.index, + browser->b.top_idx, + browser->nr_asm_entries); + } + continue; + case K_ENTER: + case K_RIGHT: + if (browser->selection == NULL) + ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); + else if (browser->selection->offset == -1) + ui_helpline__puts("Actions are only available for assembly lines."); + else if (!browser->selection->ins) { + if (strcmp(browser->selection->name, "retq")) + goto show_sup_ins; + goto out; + } else if (!(annotate_browser__jump(browser) || + annotate_browser__callq(browser, evsel, hbt))) { +show_sup_ins: + ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions."); + } + continue; + case K_LEFT: + case K_ESC: + case 'q': + case CTRL('c'): + goto out; + default: + continue; + } + + if (nd != NULL) + annotate_browser__set_rb_top(browser, nd); + } +out: + ui_browser__hide(&browser->b); + return key; +} + +int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel, + struct hist_browser_timer *hbt) +{ + return symbol__tui_annotate(ms->sym, ms->map, evsel, hbt); +} + +int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel, + struct hist_browser_timer *hbt) +{ + return map_symbol__tui_annotate(&he->ms, evsel, hbt); +} + +static void annotate_browser__mark_jump_targets(struct annotate_browser *browser, + size_t size) +{ + u64 offset; + struct map_symbol *ms = browser->b.priv; + struct symbol *sym = ms->sym; + + /* PLT symbols contain external offsets */ + if (strstr(sym->name, "@plt")) + return; + + for (offset = 0; offset < size; ++offset) { + struct disasm_line *dl = browser->offsets[offset], *dlt; + struct browser_disasm_line *bdlt; + + if (!disasm_line__is_valid_jump(dl, sym)) + continue; + + dlt = browser->offsets[dl->ops.target.offset]; + /* + * FIXME: Oops, no jump target? Buggy disassembler? Or do we + * have to adjust to the previous offset? + */ + if (dlt == NULL) + continue; + + bdlt = disasm_line__browser(dlt); + if (++bdlt->jump_sources > browser->max_jump_sources) + browser->max_jump_sources = bdlt->jump_sources; + + ++browser->nr_jumps; + } +} + +static inline int width_jumps(int n) +{ + if (n >= 100) + return 5; + if (n / 10) + return 2; + return 1; +} + +int symbol__tui_annotate(struct symbol *sym, struct map *map, + struct perf_evsel *evsel, + struct hist_browser_timer *hbt) +{ + struct disasm_line *pos, *n; + struct annotation *notes; + size_t size; + struct map_symbol ms = { + .map = map, + .sym = sym, + }; + struct annotate_browser browser = { + .b = { + .refresh = annotate_browser__refresh, + .seek = ui_browser__list_head_seek, + .write = annotate_browser__write, + .filter = disasm_line__filter, + .priv = &ms, + .use_navkeypressed = true, + }, + }; + int ret = -1; + int nr_pcnt = 1; + size_t sizeof_bdl = sizeof(struct browser_disasm_line); + + if (sym == NULL) + return -1; + + size = symbol__size(sym); + + if (map->dso->annotate_warned) + return -1; + + browser.offsets = zalloc(size * sizeof(struct disasm_line *)); + if (browser.offsets == NULL) { + ui__error("Not enough memory!"); + return -1; + } + + if (perf_evsel__is_group_event(evsel)) { + nr_pcnt = evsel->nr_members; + sizeof_bdl += sizeof(double) * (nr_pcnt - 1); + } + + if (symbol__annotate(sym, map, sizeof_bdl) < 0) { + ui__error("%s", ui_helpline__last_msg); + goto out_free_offsets; + } + + ui_helpline__push("Press <- or ESC to exit"); + + notes = symbol__annotation(sym); + browser.start = map__rip_2objdump(map, sym->start); + + list_for_each_entry(pos, ¬es->src->source, node) { + struct browser_disasm_line *bpos; + size_t line_len = strlen(pos->line); + + if (browser.b.width < line_len) + browser.b.width = line_len; + bpos = disasm_line__browser(pos); + bpos->idx = browser.nr_entries++; + if (pos->offset != -1) { + bpos->idx_asm = browser.nr_asm_entries++; + /* + * FIXME: short term bandaid to cope with assembly + * routines that comes with labels in the same column + * as the address in objdump, sigh. + * + * E.g. copy_user_generic_unrolled + */ + if (pos->offset < (s64)size) + browser.offsets[pos->offset] = pos; + } else + bpos->idx_asm = -1; + } + + annotate_browser__mark_jump_targets(&browser, size); + + browser.addr_width = browser.target_width = browser.min_addr_width = hex_width(size); + browser.max_addr_width = hex_width(sym->end); + browser.jumps_width = width_jumps(browser.max_jump_sources); + browser.nr_events = nr_pcnt; + browser.b.nr_entries = browser.nr_entries; + browser.b.entries = ¬es->src->source, + browser.b.width += 18; /* Percentage */ + + if (annotate_browser__opts.hide_src_code) + annotate_browser__init_asm_mode(&browser); + + annotate_browser__update_addr_width(&browser); + + ret = annotate_browser__run(&browser, evsel, hbt); + list_for_each_entry_safe(pos, n, ¬es->src->source, node) { + list_del(&pos->node); + disasm_line__free(pos); + } + +out_free_offsets: + free(browser.offsets); + return ret; +} + +#define ANNOTATE_CFG(n) \ + { .name = #n, .value = &annotate_browser__opts.n, } + +/* + * Keep the entries sorted, they are bsearch'ed + */ +static struct annotate_config { + const char *name; + bool *value; +} annotate__configs[] = { + ANNOTATE_CFG(hide_src_code), + ANNOTATE_CFG(jump_arrows), + ANNOTATE_CFG(show_linenr), + ANNOTATE_CFG(show_nr_jumps), + ANNOTATE_CFG(use_offset), +}; + +#undef ANNOTATE_CFG + +static int annotate_config__cmp(const void *name, const void *cfgp) +{ + const struct annotate_config *cfg = cfgp; + + return strcmp(name, cfg->name); +} + +static int annotate__config(const char *var, const char *value, + void *data __maybe_unused) +{ + struct annotate_config *cfg; + const char *name; + + if (prefixcmp(var, "annotate.") != 0) + return 0; + + name = var + 9; + cfg = bsearch(name, annotate__configs, ARRAY_SIZE(annotate__configs), + sizeof(struct annotate_config), annotate_config__cmp); + + if (cfg == NULL) + return -1; + + *cfg->value = perf_config_bool(name, value); + return 0; +} + +void annotate_browser__init(void) +{ + perf_config(annotate__config, NULL); +} diff --git a/kernel/tools/perf/ui/browsers/header.c b/kernel/tools/perf/ui/browsers/header.c new file mode 100644 index 000000000..e8278c558 --- /dev/null +++ b/kernel/tools/perf/ui/browsers/header.c @@ -0,0 +1,128 @@ +#include "util/cache.h" +#include "util/debug.h" +#include "ui/browser.h" +#include "ui/keysyms.h" +#include "ui/ui.h" +#include "ui/util.h" +#include "ui/libslang.h" +#include "util/header.h" +#include "util/session.h" + +static void ui_browser__argv_write(struct ui_browser *browser, + void *entry, int row) +{ + char **arg = entry; + char *str = *arg; + char empty[] = " "; + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long offset = (unsigned long)browser->priv; + + if (offset >= strlen(str)) + str = empty; + else + str = str + offset; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + slsmg_write_nstring(str, browser->width); +} + +static int list_menu__run(struct ui_browser *menu) +{ + int key; + unsigned long offset; + const char help[] = + "h/?/F1 Show this window\n" + "UP/DOWN/PGUP\n" + "PGDN/SPACE\n" + "LEFT/RIGHT Navigate\n" + "q/ESC/CTRL+C Exit browser"; + + if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0) + return -1; + + while (1) { + key = ui_browser__run(menu, 0); + + switch (key) { + case K_RIGHT: + offset = (unsigned long)menu->priv; + offset += 10; + menu->priv = (void *)offset; + continue; + case K_LEFT: + offset = (unsigned long)menu->priv; + if (offset >= 10) + offset -= 10; + menu->priv = (void *)offset; + continue; + case K_F1: + case 'h': + case '?': + ui_browser__help_window(menu, help); + continue; + case K_ESC: + case 'q': + case CTRL('c'): + key = -1; + break; + default: + continue; + } + + break; + } + + ui_browser__hide(menu); + return key; +} + +static int ui__list_menu(int argc, char * const argv[]) +{ + struct ui_browser menu = { + .entries = (void *)argv, + .refresh = ui_browser__argv_refresh, + .seek = ui_browser__argv_seek, + .write = ui_browser__argv_write, + .nr_entries = argc, + }; + + return list_menu__run(&menu); +} + +int tui__header_window(struct perf_session_env *env) +{ + int i, argc = 0; + char **argv; + struct perf_session *session; + char *ptr, *pos; + size_t size; + FILE *fp = open_memstream(&ptr, &size); + + session = container_of(env, struct perf_session, header.env); + perf_header__fprintf_info(session, fp, true); + fclose(fp); + + for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++) + argc++; + + argv = calloc(argc + 1, sizeof(*argv)); + if (argv == NULL) + goto out; + + argv[0] = pos = ptr; + for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) { + *pos++ = '\0'; + argv[i] = pos; + } + + BUG_ON(i != argc + 1); + + ui__list_menu(argc, argv); + +out: + free(argv); + free(ptr); + return 0; +} diff --git a/kernel/tools/perf/ui/browsers/hists.c b/kernel/tools/perf/ui/browsers/hists.c new file mode 100644 index 000000000..995b7a859 --- /dev/null +++ b/kernel/tools/perf/ui/browsers/hists.c @@ -0,0 +1,2042 @@ +#include <stdio.h> +#include "../libslang.h" +#include <stdlib.h> +#include <string.h> +#include <linux/rbtree.h> + +#include "../../util/evsel.h" +#include "../../util/evlist.h" +#include "../../util/hist.h" +#include "../../util/pstack.h" +#include "../../util/sort.h" +#include "../../util/util.h" +#include "../../util/top.h" +#include "../../arch/common.h" + +#include "../browser.h" +#include "../helpline.h" +#include "../util.h" +#include "../ui.h" +#include "map.h" +#include "annotate.h" + +struct hist_browser { + struct ui_browser b; + struct hists *hists; + struct hist_entry *he_selection; + struct map_symbol *selection; + int print_seq; + bool show_dso; + bool show_headers; + float min_pcnt; + u64 nr_non_filtered_entries; + u64 nr_callchain_rows; +}; + +extern void hist_browser__init_hpp(void); + +static int hists__browser_title(struct hists *hists, + struct hist_browser_timer *hbt, + char *bf, size_t size); +static void hist_browser__update_nr_entries(struct hist_browser *hb); + +static struct rb_node *hists__filter_entries(struct rb_node *nd, + float min_pcnt); + +static bool hist_browser__has_filter(struct hist_browser *hb) +{ + return hists__has_filter(hb->hists) || hb->min_pcnt; +} + +static int hist_browser__get_folding(struct hist_browser *browser) +{ + struct rb_node *nd; + struct hists *hists = browser->hists; + int unfolded_rows = 0; + + for (nd = rb_first(&hists->entries); + (nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL; + nd = rb_next(nd)) { + struct hist_entry *he = + rb_entry(nd, struct hist_entry, rb_node); + + if (he->ms.unfolded) + unfolded_rows += he->nr_rows; + } + return unfolded_rows; +} + +static u32 hist_browser__nr_entries(struct hist_browser *hb) +{ + u32 nr_entries; + + if (hist_browser__has_filter(hb)) + nr_entries = hb->nr_non_filtered_entries; + else + nr_entries = hb->hists->nr_entries; + + hb->nr_callchain_rows = hist_browser__get_folding(hb); + return nr_entries + hb->nr_callchain_rows; +} + +static void hist_browser__update_rows(struct hist_browser *hb) +{ + struct ui_browser *browser = &hb->b; + u16 header_offset = hb->show_headers ? 1 : 0, index_row; + + browser->rows = browser->height - header_offset; + /* + * Verify if we were at the last line and that line isn't + * visibe because we now show the header line(s). + */ + index_row = browser->index - browser->top_idx; + if (index_row >= browser->rows) + browser->index -= index_row - browser->rows + 1; +} + +static void hist_browser__refresh_dimensions(struct ui_browser *browser) +{ + struct hist_browser *hb = container_of(browser, struct hist_browser, b); + + /* 3 == +/- toggle symbol before actual hist_entry rendering */ + browser->width = 3 + (hists__sort_list_width(hb->hists) + sizeof("[k]")); + /* + * FIXME: Just keeping existing behaviour, but this really should be + * before updating browser->width, as it will invalidate the + * calculation above. Fix this and the fallout in another + * changeset. + */ + ui_browser__refresh_dimensions(browser); + hist_browser__update_rows(hb); +} + +static void hist_browser__gotorc(struct hist_browser *browser, int row, int column) +{ + u16 header_offset = browser->show_headers ? 1 : 0; + + ui_browser__gotorc(&browser->b, row + header_offset, column); +} + +static void hist_browser__reset(struct hist_browser *browser) +{ + /* + * The hists__remove_entry_filter() already folds non-filtered + * entries so we can assume it has 0 callchain rows. + */ + browser->nr_callchain_rows = 0; + + hist_browser__update_nr_entries(browser); + browser->b.nr_entries = hist_browser__nr_entries(browser); + hist_browser__refresh_dimensions(&browser->b); + ui_browser__reset_index(&browser->b); +} + +static char tree__folded_sign(bool unfolded) +{ + return unfolded ? '-' : '+'; +} + +static char map_symbol__folded(const struct map_symbol *ms) +{ + return ms->has_children ? tree__folded_sign(ms->unfolded) : ' '; +} + +static char hist_entry__folded(const struct hist_entry *he) +{ + return map_symbol__folded(&he->ms); +} + +static char callchain_list__folded(const struct callchain_list *cl) +{ + return map_symbol__folded(&cl->ms); +} + +static void map_symbol__set_folding(struct map_symbol *ms, bool unfold) +{ + ms->unfolded = unfold ? ms->has_children : false; +} + +static int callchain_node__count_rows_rb_tree(struct callchain_node *node) +{ + int n = 0; + struct rb_node *nd; + + for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { + struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); + struct callchain_list *chain; + char folded_sign = ' '; /* No children */ + + list_for_each_entry(chain, &child->val, list) { + ++n; + /* We need this because we may not have children */ + folded_sign = callchain_list__folded(chain); + if (folded_sign == '+') + break; + } + + if (folded_sign == '-') /* Have children and they're unfolded */ + n += callchain_node__count_rows_rb_tree(child); + } + + return n; +} + +static int callchain_node__count_rows(struct callchain_node *node) +{ + struct callchain_list *chain; + bool unfolded = false; + int n = 0; + + list_for_each_entry(chain, &node->val, list) { + ++n; + unfolded = chain->ms.unfolded; + } + + if (unfolded) + n += callchain_node__count_rows_rb_tree(node); + + return n; +} + +static int callchain__count_rows(struct rb_root *chain) +{ + struct rb_node *nd; + int n = 0; + + for (nd = rb_first(chain); nd; nd = rb_next(nd)) { + struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); + n += callchain_node__count_rows(node); + } + + return n; +} + +static bool map_symbol__toggle_fold(struct map_symbol *ms) +{ + if (!ms) + return false; + + if (!ms->has_children) + return false; + + ms->unfolded = !ms->unfolded; + return true; +} + +static void callchain_node__init_have_children_rb_tree(struct callchain_node *node) +{ + struct rb_node *nd = rb_first(&node->rb_root); + + for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { + struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); + struct callchain_list *chain; + bool first = true; + + list_for_each_entry(chain, &child->val, list) { + if (first) { + first = false; + chain->ms.has_children = chain->list.next != &child->val || + !RB_EMPTY_ROOT(&child->rb_root); + } else + chain->ms.has_children = chain->list.next == &child->val && + !RB_EMPTY_ROOT(&child->rb_root); + } + + callchain_node__init_have_children_rb_tree(child); + } +} + +static void callchain_node__init_have_children(struct callchain_node *node, + bool has_sibling) +{ + struct callchain_list *chain; + + chain = list_entry(node->val.next, struct callchain_list, list); + chain->ms.has_children = has_sibling; + + if (!list_empty(&node->val)) { + chain = list_entry(node->val.prev, struct callchain_list, list); + chain->ms.has_children = !RB_EMPTY_ROOT(&node->rb_root); + } + + callchain_node__init_have_children_rb_tree(node); +} + +static void callchain__init_have_children(struct rb_root *root) +{ + struct rb_node *nd = rb_first(root); + bool has_sibling = nd && rb_next(nd); + + for (nd = rb_first(root); nd; nd = rb_next(nd)) { + struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); + callchain_node__init_have_children(node, has_sibling); + } +} + +static void hist_entry__init_have_children(struct hist_entry *he) +{ + if (!he->init_have_children) { + he->ms.has_children = !RB_EMPTY_ROOT(&he->sorted_chain); + callchain__init_have_children(&he->sorted_chain); + he->init_have_children = true; + } +} + +static bool hist_browser__toggle_fold(struct hist_browser *browser) +{ + if (map_symbol__toggle_fold(browser->selection)) { + struct hist_entry *he = browser->he_selection; + + hist_entry__init_have_children(he); + browser->b.nr_entries -= he->nr_rows; + browser->nr_callchain_rows -= he->nr_rows; + + if (he->ms.unfolded) + he->nr_rows = callchain__count_rows(&he->sorted_chain); + else + he->nr_rows = 0; + + browser->b.nr_entries += he->nr_rows; + browser->nr_callchain_rows += he->nr_rows; + + return true; + } + + /* If it doesn't have children, no toggling performed */ + return false; +} + +static int callchain_node__set_folding_rb_tree(struct callchain_node *node, bool unfold) +{ + int n = 0; + struct rb_node *nd; + + for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { + struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); + struct callchain_list *chain; + bool has_children = false; + + list_for_each_entry(chain, &child->val, list) { + ++n; + map_symbol__set_folding(&chain->ms, unfold); + has_children = chain->ms.has_children; + } + + if (has_children) + n += callchain_node__set_folding_rb_tree(child, unfold); + } + + return n; +} + +static int callchain_node__set_folding(struct callchain_node *node, bool unfold) +{ + struct callchain_list *chain; + bool has_children = false; + int n = 0; + + list_for_each_entry(chain, &node->val, list) { + ++n; + map_symbol__set_folding(&chain->ms, unfold); + has_children = chain->ms.has_children; + } + + if (has_children) + n += callchain_node__set_folding_rb_tree(node, unfold); + + return n; +} + +static int callchain__set_folding(struct rb_root *chain, bool unfold) +{ + struct rb_node *nd; + int n = 0; + + for (nd = rb_first(chain); nd; nd = rb_next(nd)) { + struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); + n += callchain_node__set_folding(node, unfold); + } + + return n; +} + +static void hist_entry__set_folding(struct hist_entry *he, bool unfold) +{ + hist_entry__init_have_children(he); + map_symbol__set_folding(&he->ms, unfold); + + if (he->ms.has_children) { + int n = callchain__set_folding(&he->sorted_chain, unfold); + he->nr_rows = unfold ? n : 0; + } else + he->nr_rows = 0; +} + +static void +__hist_browser__set_folding(struct hist_browser *browser, bool unfold) +{ + struct rb_node *nd; + struct hists *hists = browser->hists; + + for (nd = rb_first(&hists->entries); + (nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL; + nd = rb_next(nd)) { + struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); + hist_entry__set_folding(he, unfold); + browser->nr_callchain_rows += he->nr_rows; + } +} + +static void hist_browser__set_folding(struct hist_browser *browser, bool unfold) +{ + browser->nr_callchain_rows = 0; + __hist_browser__set_folding(browser, unfold); + + browser->b.nr_entries = hist_browser__nr_entries(browser); + /* Go to the start, we may be way after valid entries after a collapse */ + ui_browser__reset_index(&browser->b); +} + +static void ui_browser__warn_lost_events(struct ui_browser *browser) +{ + ui_browser__warning(browser, 4, + "Events are being lost, check IO/CPU overload!\n\n" + "You may want to run 'perf' using a RT scheduler policy:\n\n" + " perf top -r 80\n\n" + "Or reduce the sampling frequency."); +} + +static int hist_browser__run(struct hist_browser *browser, + struct hist_browser_timer *hbt) +{ + int key; + char title[160]; + int delay_secs = hbt ? hbt->refresh : 0; + + browser->b.entries = &browser->hists->entries; + browser->b.nr_entries = hist_browser__nr_entries(browser); + + hists__browser_title(browser->hists, hbt, title, sizeof(title)); + + if (ui_browser__show(&browser->b, title, + "Press '?' for help on key bindings") < 0) + return -1; + + while (1) { + key = ui_browser__run(&browser->b, delay_secs); + + switch (key) { + case K_TIMER: { + u64 nr_entries; + hbt->timer(hbt->arg); + + if (hist_browser__has_filter(browser)) + hist_browser__update_nr_entries(browser); + + nr_entries = hist_browser__nr_entries(browser); + ui_browser__update_nr_entries(&browser->b, nr_entries); + + if (browser->hists->stats.nr_lost_warned != + browser->hists->stats.nr_events[PERF_RECORD_LOST]) { + browser->hists->stats.nr_lost_warned = + browser->hists->stats.nr_events[PERF_RECORD_LOST]; + ui_browser__warn_lost_events(&browser->b); + } + + hists__browser_title(browser->hists, + hbt, title, sizeof(title)); + ui_browser__show_title(&browser->b, title); + continue; + } + case 'D': { /* Debug */ + static int seq; + struct hist_entry *h = rb_entry(browser->b.top, + struct hist_entry, rb_node); + ui_helpline__pop(); + ui_helpline__fpush("%d: nr_ent=(%d,%d), rows=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d", + seq++, browser->b.nr_entries, + browser->hists->nr_entries, + browser->b.rows, + browser->b.index, + browser->b.top_idx, + h->row_offset, h->nr_rows); + } + break; + case 'C': + /* Collapse the whole world. */ + hist_browser__set_folding(browser, false); + break; + case 'E': + /* Expand the whole world. */ + hist_browser__set_folding(browser, true); + break; + case 'H': + browser->show_headers = !browser->show_headers; + hist_browser__update_rows(browser); + break; + case K_ENTER: + if (hist_browser__toggle_fold(browser)) + break; + /* fall thru */ + default: + goto out; + } + } +out: + ui_browser__hide(&browser->b); + return key; +} + +struct callchain_print_arg { + /* for hists browser */ + off_t row_offset; + bool is_current_entry; + + /* for file dump */ + FILE *fp; + int printed; +}; + +typedef void (*print_callchain_entry_fn)(struct hist_browser *browser, + struct callchain_list *chain, + const char *str, int offset, + unsigned short row, + struct callchain_print_arg *arg); + +static void hist_browser__show_callchain_entry(struct hist_browser *browser, + struct callchain_list *chain, + const char *str, int offset, + unsigned short row, + struct callchain_print_arg *arg) +{ + int color, width; + char folded_sign = callchain_list__folded(chain); + bool show_annotated = browser->show_dso && chain->ms.sym && symbol__annotation(chain->ms.sym)->src; + + color = HE_COLORSET_NORMAL; + width = browser->b.width - (offset + 2); + if (ui_browser__is_current_entry(&browser->b, row)) { + browser->selection = &chain->ms; + color = HE_COLORSET_SELECTED; + arg->is_current_entry = true; + } + + ui_browser__set_color(&browser->b, color); + hist_browser__gotorc(browser, row, 0); + slsmg_write_nstring(" ", offset); + slsmg_printf("%c", folded_sign); + ui_browser__write_graph(&browser->b, show_annotated ? SLSMG_RARROW_CHAR : ' '); + slsmg_write_nstring(str, width); +} + +static void hist_browser__fprintf_callchain_entry(struct hist_browser *b __maybe_unused, + struct callchain_list *chain, + const char *str, int offset, + unsigned short row __maybe_unused, + struct callchain_print_arg *arg) +{ + char folded_sign = callchain_list__folded(chain); + + arg->printed += fprintf(arg->fp, "%*s%c %s\n", offset, " ", + folded_sign, str); +} + +typedef bool (*check_output_full_fn)(struct hist_browser *browser, + unsigned short row); + +static bool hist_browser__check_output_full(struct hist_browser *browser, + unsigned short row) +{ + return browser->b.rows == row; +} + +static bool hist_browser__check_dump_full(struct hist_browser *browser __maybe_unused, + unsigned short row __maybe_unused) +{ + return false; +} + +#define LEVEL_OFFSET_STEP 3 + +static int hist_browser__show_callchain(struct hist_browser *browser, + struct rb_root *root, int level, + unsigned short row, u64 total, + print_callchain_entry_fn print, + struct callchain_print_arg *arg, + check_output_full_fn is_output_full) +{ + struct rb_node *node; + int first_row = row, offset = level * LEVEL_OFFSET_STEP; + u64 new_total; + bool need_percent; + + node = rb_first(root); + need_percent = node && rb_next(node); + + while (node) { + struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); + struct rb_node *next = rb_next(node); + u64 cumul = callchain_cumul_hits(child); + struct callchain_list *chain; + char folded_sign = ' '; + int first = true; + int extra_offset = 0; + + list_for_each_entry(chain, &child->val, list) { + char bf[1024], *alloc_str; + const char *str; + bool was_first = first; + + if (first) + first = false; + else if (need_percent) + extra_offset = LEVEL_OFFSET_STEP; + + folded_sign = callchain_list__folded(chain); + if (arg->row_offset != 0) { + arg->row_offset--; + goto do_next; + } + + alloc_str = NULL; + str = callchain_list__sym_name(chain, bf, sizeof(bf), + browser->show_dso); + + if (was_first && need_percent) { + double percent = cumul * 100.0 / total; + + if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0) + str = "Not enough memory!"; + else + str = alloc_str; + } + + print(browser, chain, str, offset + extra_offset, row, arg); + + free(alloc_str); + + if (is_output_full(browser, ++row)) + goto out; +do_next: + if (folded_sign == '+') + break; + } + + if (folded_sign == '-') { + const int new_level = level + (extra_offset ? 2 : 1); + + if (callchain_param.mode == CHAIN_GRAPH_REL) + new_total = child->children_hit; + else + new_total = total; + + row += hist_browser__show_callchain(browser, &child->rb_root, + new_level, row, new_total, + print, arg, is_output_full); + } + if (is_output_full(browser, row)) + break; + node = next; + } +out: + return row - first_row; +} + +struct hpp_arg { + struct ui_browser *b; + char folded_sign; + bool current_entry; +}; + +static int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...) +{ + struct hpp_arg *arg = hpp->ptr; + int ret, len; + va_list args; + double percent; + + va_start(args, fmt); + len = va_arg(args, int); + percent = va_arg(args, double); + va_end(args); + + ui_browser__set_percent_color(arg->b, percent, arg->current_entry); + + ret = scnprintf(hpp->buf, hpp->size, fmt, len, percent); + slsmg_printf("%s", hpp->buf); + + advance_hpp(hpp, ret); + return ret; +} + +#define __HPP_COLOR_PERCENT_FN(_type, _field) \ +static u64 __hpp_get_##_field(struct hist_entry *he) \ +{ \ + return he->stat._field; \ +} \ + \ +static int \ +hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + return hpp__fmt(fmt, hpp, he, __hpp_get_##_field, " %*.2f%%", \ + __hpp__slsmg_color_printf, true); \ +} + +#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +static u64 __hpp_get_acc_##_field(struct hist_entry *he) \ +{ \ + return he->stat_acc->_field; \ +} \ + \ +static int \ +hist_browser__hpp_color_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + if (!symbol_conf.cumulate_callchain) { \ + int len = fmt->user_len ?: fmt->len; \ + int ret = scnprintf(hpp->buf, hpp->size, \ + "%*s", len, "N/A"); \ + slsmg_printf("%s", hpp->buf); \ + \ + return ret; \ + } \ + return hpp__fmt(fmt, hpp, he, __hpp_get_acc_##_field, \ + " %*.2f%%", __hpp__slsmg_color_printf, true); \ +} + +__HPP_COLOR_PERCENT_FN(overhead, period) +__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys) +__HPP_COLOR_PERCENT_FN(overhead_us, period_us) +__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys) +__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us) +__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period) + +#undef __HPP_COLOR_PERCENT_FN +#undef __HPP_COLOR_ACC_PERCENT_FN + +void hist_browser__init_hpp(void) +{ + perf_hpp__format[PERF_HPP__OVERHEAD].color = + hist_browser__hpp_color_overhead; + perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color = + hist_browser__hpp_color_overhead_sys; + perf_hpp__format[PERF_HPP__OVERHEAD_US].color = + hist_browser__hpp_color_overhead_us; + perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color = + hist_browser__hpp_color_overhead_guest_sys; + perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color = + hist_browser__hpp_color_overhead_guest_us; + perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color = + hist_browser__hpp_color_overhead_acc; +} + +static int hist_browser__show_entry(struct hist_browser *browser, + struct hist_entry *entry, + unsigned short row) +{ + char s[256]; + int printed = 0; + int width = browser->b.width; + char folded_sign = ' '; + bool current_entry = ui_browser__is_current_entry(&browser->b, row); + off_t row_offset = entry->row_offset; + bool first = true; + struct perf_hpp_fmt *fmt; + + if (current_entry) { + browser->he_selection = entry; + browser->selection = &entry->ms; + } + + if (symbol_conf.use_callchain) { + hist_entry__init_have_children(entry); + folded_sign = hist_entry__folded(entry); + } + + if (row_offset == 0) { + struct hpp_arg arg = { + .b = &browser->b, + .folded_sign = folded_sign, + .current_entry = current_entry, + }; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + .ptr = &arg, + }; + + hist_browser__gotorc(browser, row, 0); + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + if (current_entry && browser->b.navkeypressed) { + ui_browser__set_color(&browser->b, + HE_COLORSET_SELECTED); + } else { + ui_browser__set_color(&browser->b, + HE_COLORSET_NORMAL); + } + + if (first) { + if (symbol_conf.use_callchain) { + slsmg_printf("%c ", folded_sign); + width -= 2; + } + first = false; + } else { + slsmg_printf(" "); + width -= 2; + } + + if (fmt->color) { + width -= fmt->color(fmt, &hpp, entry); + } else { + width -= fmt->entry(fmt, &hpp, entry); + slsmg_printf("%s", s); + } + } + + /* The scroll bar isn't being used */ + if (!browser->b.navkeypressed) + width += 1; + + slsmg_write_nstring("", width); + + ++row; + ++printed; + } else + --row_offset; + + if (folded_sign == '-' && row != browser->b.rows) { + u64 total = hists__total_period(entry->hists); + struct callchain_print_arg arg = { + .row_offset = row_offset, + .is_current_entry = current_entry, + }; + + if (callchain_param.mode == CHAIN_GRAPH_REL) { + if (symbol_conf.cumulate_callchain) + total = entry->stat_acc->period; + else + total = entry->stat.period; + } + + printed += hist_browser__show_callchain(browser, + &entry->sorted_chain, 1, row, total, + hist_browser__show_callchain_entry, &arg, + hist_browser__check_output_full); + + if (arg.is_current_entry) + browser->he_selection = entry; + } + + return printed; +} + +static int advance_hpp_check(struct perf_hpp *hpp, int inc) +{ + advance_hpp(hpp, inc); + return hpp->size <= 0; +} + +static int hists__scnprintf_headers(char *buf, size_t size, struct hists *hists) +{ + struct perf_hpp dummy_hpp = { + .buf = buf, + .size = size, + }; + struct perf_hpp_fmt *fmt; + size_t ret = 0; + + if (symbol_conf.use_callchain) { + ret = scnprintf(buf, size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + return ret; + } + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " "); + if (advance_hpp_check(&dummy_hpp, ret)) + break; + } + + return ret; +} + +static void hist_browser__show_headers(struct hist_browser *browser) +{ + char headers[1024]; + + hists__scnprintf_headers(headers, sizeof(headers), browser->hists); + ui_browser__gotorc(&browser->b, 0, 0); + ui_browser__set_color(&browser->b, HE_COLORSET_ROOT); + slsmg_write_nstring(headers, browser->b.width + 1); +} + +static void ui_browser__hists_init_top(struct ui_browser *browser) +{ + if (browser->top == NULL) { + struct hist_browser *hb; + + hb = container_of(browser, struct hist_browser, b); + browser->top = rb_first(&hb->hists->entries); + } +} + +static unsigned int hist_browser__refresh(struct ui_browser *browser) +{ + unsigned row = 0; + u16 header_offset = 0; + struct rb_node *nd; + struct hist_browser *hb = container_of(browser, struct hist_browser, b); + + if (hb->show_headers) { + hist_browser__show_headers(hb); + header_offset = 1; + } + + ui_browser__hists_init_top(browser); + + for (nd = browser->top; nd; nd = rb_next(nd)) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + float percent; + + if (h->filtered) + continue; + + percent = hist_entry__get_percent_limit(h); + if (percent < hb->min_pcnt) + continue; + + row += hist_browser__show_entry(hb, h, row); + if (row == browser->rows) + break; + } + + return row + header_offset; +} + +static struct rb_node *hists__filter_entries(struct rb_node *nd, + float min_pcnt) +{ + while (nd != NULL) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + float percent = hist_entry__get_percent_limit(h); + + if (!h->filtered && percent >= min_pcnt) + return nd; + + nd = rb_next(nd); + } + + return NULL; +} + +static struct rb_node *hists__filter_prev_entries(struct rb_node *nd, + float min_pcnt) +{ + while (nd != NULL) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + float percent = hist_entry__get_percent_limit(h); + + if (!h->filtered && percent >= min_pcnt) + return nd; + + nd = rb_prev(nd); + } + + return NULL; +} + +static void ui_browser__hists_seek(struct ui_browser *browser, + off_t offset, int whence) +{ + struct hist_entry *h; + struct rb_node *nd; + bool first = true; + struct hist_browser *hb; + + hb = container_of(browser, struct hist_browser, b); + + if (browser->nr_entries == 0) + return; + + ui_browser__hists_init_top(browser); + + switch (whence) { + case SEEK_SET: + nd = hists__filter_entries(rb_first(browser->entries), + hb->min_pcnt); + break; + case SEEK_CUR: + nd = browser->top; + goto do_offset; + case SEEK_END: + nd = hists__filter_prev_entries(rb_last(browser->entries), + hb->min_pcnt); + first = false; + break; + default: + return; + } + + /* + * Moves not relative to the first visible entry invalidates its + * row_offset: + */ + h = rb_entry(browser->top, struct hist_entry, rb_node); + h->row_offset = 0; + + /* + * Here we have to check if nd is expanded (+), if it is we can't go + * the next top level hist_entry, instead we must compute an offset of + * what _not_ to show and not change the first visible entry. + * + * This offset increments when we are going from top to bottom and + * decreases when we're going from bottom to top. + * + * As we don't have backpointers to the top level in the callchains + * structure, we need to always print the whole hist_entry callchain, + * skipping the first ones that are before the first visible entry + * and stop when we printed enough lines to fill the screen. + */ +do_offset: + if (offset > 0) { + do { + h = rb_entry(nd, struct hist_entry, rb_node); + if (h->ms.unfolded) { + u16 remaining = h->nr_rows - h->row_offset; + if (offset > remaining) { + offset -= remaining; + h->row_offset = 0; + } else { + h->row_offset += offset; + offset = 0; + browser->top = nd; + break; + } + } + nd = hists__filter_entries(rb_next(nd), hb->min_pcnt); + if (nd == NULL) + break; + --offset; + browser->top = nd; + } while (offset != 0); + } else if (offset < 0) { + while (1) { + h = rb_entry(nd, struct hist_entry, rb_node); + if (h->ms.unfolded) { + if (first) { + if (-offset > h->row_offset) { + offset += h->row_offset; + h->row_offset = 0; + } else { + h->row_offset += offset; + offset = 0; + browser->top = nd; + break; + } + } else { + if (-offset > h->nr_rows) { + offset += h->nr_rows; + h->row_offset = 0; + } else { + h->row_offset = h->nr_rows + offset; + offset = 0; + browser->top = nd; + break; + } + } + } + + nd = hists__filter_prev_entries(rb_prev(nd), + hb->min_pcnt); + if (nd == NULL) + break; + ++offset; + browser->top = nd; + if (offset == 0) { + /* + * Last unfiltered hist_entry, check if it is + * unfolded, if it is then we should have + * row_offset at its last entry. + */ + h = rb_entry(nd, struct hist_entry, rb_node); + if (h->ms.unfolded) + h->row_offset = h->nr_rows; + break; + } + first = false; + } + } else { + browser->top = nd; + h = rb_entry(nd, struct hist_entry, rb_node); + h->row_offset = 0; + } +} + +static int hist_browser__fprintf_callchain(struct hist_browser *browser, + struct hist_entry *he, FILE *fp) +{ + u64 total = hists__total_period(he->hists); + struct callchain_print_arg arg = { + .fp = fp, + }; + + if (symbol_conf.cumulate_callchain) + total = he->stat_acc->period; + + hist_browser__show_callchain(browser, &he->sorted_chain, 1, 0, total, + hist_browser__fprintf_callchain_entry, &arg, + hist_browser__check_dump_full); + return arg.printed; +} + +static int hist_browser__fprintf_entry(struct hist_browser *browser, + struct hist_entry *he, FILE *fp) +{ + char s[8192]; + int printed = 0; + char folded_sign = ' '; + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + }; + struct perf_hpp_fmt *fmt; + bool first = true; + int ret; + + if (symbol_conf.use_callchain) + folded_sign = hist_entry__folded(he); + + if (symbol_conf.use_callchain) + printed += fprintf(fp, "%c ", folded_sign); + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + if (!first) { + ret = scnprintf(hpp.buf, hpp.size, " "); + advance_hpp(&hpp, ret); + } else + first = false; + + ret = fmt->entry(fmt, &hpp, he); + advance_hpp(&hpp, ret); + } + printed += fprintf(fp, "%s\n", rtrim(s)); + + if (folded_sign == '-') + printed += hist_browser__fprintf_callchain(browser, he, fp); + + return printed; +} + +static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp) +{ + struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries), + browser->min_pcnt); + int printed = 0; + + while (nd) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + + printed += hist_browser__fprintf_entry(browser, h, fp); + nd = hists__filter_entries(rb_next(nd), browser->min_pcnt); + } + + return printed; +} + +static int hist_browser__dump(struct hist_browser *browser) +{ + char filename[64]; + FILE *fp; + + while (1) { + scnprintf(filename, sizeof(filename), "perf.hist.%d", browser->print_seq); + if (access(filename, F_OK)) + break; + /* + * XXX: Just an arbitrary lazy upper limit + */ + if (++browser->print_seq == 8192) { + ui_helpline__fpush("Too many perf.hist.N files, nothing written!"); + return -1; + } + } + + fp = fopen(filename, "w"); + if (fp == NULL) { + char bf[64]; + const char *err = strerror_r(errno, bf, sizeof(bf)); + ui_helpline__fpush("Couldn't write to %s: %s", filename, err); + return -1; + } + + ++browser->print_seq; + hist_browser__fprintf(browser, fp); + fclose(fp); + ui_helpline__fpush("%s written!", filename); + + return 0; +} + +static struct hist_browser *hist_browser__new(struct hists *hists) +{ + struct hist_browser *browser = zalloc(sizeof(*browser)); + + if (browser) { + browser->hists = hists; + browser->b.refresh = hist_browser__refresh; + browser->b.refresh_dimensions = hist_browser__refresh_dimensions; + browser->b.seek = ui_browser__hists_seek; + browser->b.use_navkeypressed = true; + browser->show_headers = symbol_conf.show_hist_headers; + } + + return browser; +} + +static void hist_browser__delete(struct hist_browser *browser) +{ + free(browser); +} + +static struct hist_entry *hist_browser__selected_entry(struct hist_browser *browser) +{ + return browser->he_selection; +} + +static struct thread *hist_browser__selected_thread(struct hist_browser *browser) +{ + return browser->he_selection->thread; +} + +/* Check whether the browser is for 'top' or 'report' */ +static inline bool is_report_browser(void *timer) +{ + return timer == NULL; +} + +static int hists__browser_title(struct hists *hists, + struct hist_browser_timer *hbt, + char *bf, size_t size) +{ + char unit; + int printed; + const struct dso *dso = hists->dso_filter; + const struct thread *thread = hists->thread_filter; + unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; + u64 nr_events = hists->stats.total_period; + struct perf_evsel *evsel = hists_to_evsel(hists); + const char *ev_name = perf_evsel__name(evsel); + char buf[512]; + size_t buflen = sizeof(buf); + + if (symbol_conf.filter_relative) { + nr_samples = hists->stats.nr_non_filtered_samples; + nr_events = hists->stats.total_non_filtered_period; + } + + if (perf_evsel__is_group_event(evsel)) { + struct perf_evsel *pos; + + perf_evsel__group_desc(evsel, buf, buflen); + ev_name = buf; + + for_each_group_member(pos, evsel) { + struct hists *pos_hists = evsel__hists(pos); + + if (symbol_conf.filter_relative) { + nr_samples += pos_hists->stats.nr_non_filtered_samples; + nr_events += pos_hists->stats.total_non_filtered_period; + } else { + nr_samples += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; + nr_events += pos_hists->stats.total_period; + } + } + } + + nr_samples = convert_unit(nr_samples, &unit); + printed = scnprintf(bf, size, + "Samples: %lu%c of event '%s', Event count (approx.): %" PRIu64, + nr_samples, unit, ev_name, nr_events); + + + if (hists->uid_filter_str) + printed += snprintf(bf + printed, size - printed, + ", UID: %s", hists->uid_filter_str); + if (thread) + printed += scnprintf(bf + printed, size - printed, + ", Thread: %s(%d)", + (thread->comm_set ? thread__comm_str(thread) : ""), + thread->tid); + if (dso) + printed += scnprintf(bf + printed, size - printed, + ", DSO: %s", dso->short_name); + if (!is_report_browser(hbt)) { + struct perf_top *top = hbt->arg; + + if (top->zero) + printed += scnprintf(bf + printed, size - printed, " [z]"); + } + + return printed; +} + +static inline void free_popup_options(char **options, int n) +{ + int i; + + for (i = 0; i < n; ++i) + zfree(&options[i]); +} + +/* + * Only runtime switching of perf data file will make "input_name" point + * to a malloced buffer. So add "is_input_name_malloced" flag to decide + * whether we need to call free() for current "input_name" during the switch. + */ +static bool is_input_name_malloced = false; + +static int switch_data_file(void) +{ + char *pwd, *options[32], *abs_path[32], *tmp; + DIR *pwd_dir; + int nr_options = 0, choice = -1, ret = -1; + struct dirent *dent; + + pwd = getenv("PWD"); + if (!pwd) + return ret; + + pwd_dir = opendir(pwd); + if (!pwd_dir) + return ret; + + memset(options, 0, sizeof(options)); + memset(options, 0, sizeof(abs_path)); + + while ((dent = readdir(pwd_dir))) { + char path[PATH_MAX]; + u64 magic; + char *name = dent->d_name; + FILE *file; + + if (!(dent->d_type == DT_REG)) + continue; + + snprintf(path, sizeof(path), "%s/%s", pwd, name); + + file = fopen(path, "r"); + if (!file) + continue; + + if (fread(&magic, 1, 8, file) < 8) + goto close_file_and_continue; + + if (is_perf_magic(magic)) { + options[nr_options] = strdup(name); + if (!options[nr_options]) + goto close_file_and_continue; + + abs_path[nr_options] = strdup(path); + if (!abs_path[nr_options]) { + zfree(&options[nr_options]); + ui__warning("Can't search all data files due to memory shortage.\n"); + fclose(file); + break; + } + + nr_options++; + } + +close_file_and_continue: + fclose(file); + if (nr_options >= 32) { + ui__warning("Too many perf data files in PWD!\n" + "Only the first 32 files will be listed.\n"); + break; + } + } + closedir(pwd_dir); + + if (nr_options) { + choice = ui__popup_menu(nr_options, options); + if (choice < nr_options && choice >= 0) { + tmp = strdup(abs_path[choice]); + if (tmp) { + if (is_input_name_malloced) + free((void *)input_name); + input_name = tmp; + is_input_name_malloced = true; + ret = 0; + } else + ui__warning("Data switch failed due to memory shortage!\n"); + } + } + + free_popup_options(options, nr_options); + free_popup_options(abs_path, nr_options); + return ret; +} + +static void hist_browser__update_nr_entries(struct hist_browser *hb) +{ + u64 nr_entries = 0; + struct rb_node *nd = rb_first(&hb->hists->entries); + + if (hb->min_pcnt == 0) { + hb->nr_non_filtered_entries = hb->hists->nr_non_filtered_entries; + return; + } + + while ((nd = hists__filter_entries(nd, hb->min_pcnt)) != NULL) { + nr_entries++; + nd = rb_next(nd); + } + + hb->nr_non_filtered_entries = nr_entries; +} + +static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, + const char *helpline, + bool left_exits, + struct hist_browser_timer *hbt, + float min_pcnt, + struct perf_session_env *env) +{ + struct hists *hists = evsel__hists(evsel); + struct hist_browser *browser = hist_browser__new(hists); + struct branch_info *bi; + struct pstack *fstack; + char *options[16]; + int nr_options = 0; + int key = -1; + char buf[64]; + char script_opt[64]; + int delay_secs = hbt ? hbt->refresh : 0; + struct perf_hpp_fmt *fmt; + +#define HIST_BROWSER_HELP_COMMON \ + "h/?/F1 Show this window\n" \ + "UP/DOWN/PGUP\n" \ + "PGDN/SPACE Navigate\n" \ + "q/ESC/CTRL+C Exit browser\n\n" \ + "For multiple event sessions:\n\n" \ + "TAB/UNTAB Switch events\n\n" \ + "For symbolic views (--sort has sym):\n\n" \ + "-> Zoom into DSO/Threads & Annotate current symbol\n" \ + "<- Zoom out\n" \ + "a Annotate current symbol\n" \ + "C Collapse all callchains\n" \ + "d Zoom into current DSO\n" \ + "E Expand all callchains\n" \ + "F Toggle percentage of filtered entries\n" \ + "H Display column headers\n" \ + + /* help messages are sorted by lexical order of the hotkey */ + const char report_help[] = HIST_BROWSER_HELP_COMMON + "i Show header information\n" + "P Print histograms to perf.hist.N\n" + "r Run available scripts\n" + "s Switch to another data file in PWD\n" + "t Zoom into current Thread\n" + "V Verbose (DSO names in callchains, etc)\n" + "/ Filter symbol by name"; + const char top_help[] = HIST_BROWSER_HELP_COMMON + "P Print histograms to perf.hist.N\n" + "t Zoom into current Thread\n" + "V Verbose (DSO names in callchains, etc)\n" + "z Toggle zeroing of samples\n" + "/ Filter symbol by name"; + + if (browser == NULL) + return -1; + + if (min_pcnt) { + browser->min_pcnt = min_pcnt; + hist_browser__update_nr_entries(browser); + } + + fstack = pstack__new(2); + if (fstack == NULL) + goto out; + + ui_helpline__push(helpline); + + memset(options, 0, sizeof(options)); + + perf_hpp__for_each_format(fmt) + perf_hpp__reset_width(fmt, hists); + + if (symbol_conf.col_width_list_str) + perf_hpp__set_user_width(symbol_conf.col_width_list_str); + + while (1) { + struct thread *thread = NULL; + const struct dso *dso = NULL; + int choice = 0, + annotate = -2, zoom_dso = -2, zoom_thread = -2, + annotate_f = -2, annotate_t = -2, browse_map = -2; + int scripts_comm = -2, scripts_symbol = -2, + scripts_all = -2, switch_data = -2; + + nr_options = 0; + + key = hist_browser__run(browser, hbt); + + if (browser->he_selection != NULL) { + thread = hist_browser__selected_thread(browser); + dso = browser->selection->map ? browser->selection->map->dso : NULL; + } + switch (key) { + case K_TAB: + case K_UNTAB: + if (nr_events == 1) + continue; + /* + * Exit the browser, let hists__browser_tree + * go to the next or previous + */ + goto out_free_stack; + case 'a': + if (!sort__has_sym) { + ui_browser__warning(&browser->b, delay_secs * 2, + "Annotation is only available for symbolic views, " + "include \"sym*\" in --sort to use it."); + continue; + } + + if (browser->selection == NULL || + browser->selection->sym == NULL || + browser->selection->map->dso->annotate_warned) + continue; + goto do_annotate; + case 'P': + hist_browser__dump(browser); + continue; + case 'd': + goto zoom_dso; + case 'V': + browser->show_dso = !browser->show_dso; + continue; + case 't': + goto zoom_thread; + case '/': + if (ui_browser__input_window("Symbol to show", + "Please enter the name of symbol you want to see", + buf, "ENTER: OK, ESC: Cancel", + delay_secs * 2) == K_ENTER) { + hists->symbol_filter_str = *buf ? buf : NULL; + hists__filter_by_symbol(hists); + hist_browser__reset(browser); + } + continue; + case 'r': + if (is_report_browser(hbt)) + goto do_scripts; + continue; + case 's': + if (is_report_browser(hbt)) + goto do_data_switch; + continue; + case 'i': + /* env->arch is NULL for live-mode (i.e. perf top) */ + if (env->arch) + tui__header_window(env); + continue; + case 'F': + symbol_conf.filter_relative ^= 1; + continue; + case 'z': + if (!is_report_browser(hbt)) { + struct perf_top *top = hbt->arg; + + top->zero = !top->zero; + } + continue; + case K_F1: + case 'h': + case '?': + ui_browser__help_window(&browser->b, + is_report_browser(hbt) ? report_help : top_help); + continue; + case K_ENTER: + case K_RIGHT: + /* menu */ + break; + case K_LEFT: { + const void *top; + + if (pstack__empty(fstack)) { + /* + * Go back to the perf_evsel_menu__run or other user + */ + if (left_exits) + goto out_free_stack; + continue; + } + top = pstack__pop(fstack); + if (top == &browser->hists->dso_filter) + goto zoom_out_dso; + if (top == &browser->hists->thread_filter) + goto zoom_out_thread; + continue; + } + case K_ESC: + if (!left_exits && + !ui_browser__dialog_yesno(&browser->b, + "Do you really want to exit?")) + continue; + /* Fall thru */ + case 'q': + case CTRL('c'): + goto out_free_stack; + default: + continue; + } + + if (!sort__has_sym) + goto add_exit_option; + + if (browser->selection == NULL) + goto skip_annotation; + + if (sort__mode == SORT_MODE__BRANCH) { + bi = browser->he_selection->branch_info; + + if (bi == NULL) + goto skip_annotation; + + if (bi->from.sym != NULL && + !bi->from.map->dso->annotate_warned && + asprintf(&options[nr_options], "Annotate %s", bi->from.sym->name) > 0) { + annotate_f = nr_options++; + } + + if (bi->to.sym != NULL && + !bi->to.map->dso->annotate_warned && + (bi->to.sym != bi->from.sym || + bi->to.map->dso != bi->from.map->dso) && + asprintf(&options[nr_options], "Annotate %s", bi->to.sym->name) > 0) { + annotate_t = nr_options++; + } + } else { + if (browser->selection->sym != NULL && + !browser->selection->map->dso->annotate_warned) { + struct annotation *notes; + + notes = symbol__annotation(browser->selection->sym); + + if (notes->src && + asprintf(&options[nr_options], "Annotate %s", + browser->selection->sym->name) > 0) { + annotate = nr_options++; + } + } + } +skip_annotation: + if (thread != NULL && + asprintf(&options[nr_options], "Zoom %s %s(%d) thread", + (browser->hists->thread_filter ? "out of" : "into"), + (thread->comm_set ? thread__comm_str(thread) : ""), + thread->tid) > 0) + zoom_thread = nr_options++; + + if (dso != NULL && + asprintf(&options[nr_options], "Zoom %s %s DSO", + (browser->hists->dso_filter ? "out of" : "into"), + (dso->kernel ? "the Kernel" : dso->short_name)) > 0) + zoom_dso = nr_options++; + + if (browser->selection != NULL && + browser->selection->map != NULL && + asprintf(&options[nr_options], "Browse map details") > 0) + browse_map = nr_options++; + + /* perf script support */ + if (browser->he_selection) { + struct symbol *sym; + + if (asprintf(&options[nr_options], "Run scripts for samples of thread [%s]", + thread__comm_str(browser->he_selection->thread)) > 0) + scripts_comm = nr_options++; + + sym = browser->he_selection->ms.sym; + if (sym && sym->namelen && + asprintf(&options[nr_options], "Run scripts for samples of symbol [%s]", + sym->name) > 0) + scripts_symbol = nr_options++; + } + + if (asprintf(&options[nr_options], "Run scripts for all samples") > 0) + scripts_all = nr_options++; + + if (is_report_browser(hbt) && asprintf(&options[nr_options], + "Switch to another data file in PWD") > 0) + switch_data = nr_options++; +add_exit_option: + options[nr_options++] = (char *)"Exit"; +retry_popup_menu: + choice = ui__popup_menu(nr_options, options); + + if (choice == nr_options - 1) + break; + + if (choice == -1) { + free_popup_options(options, nr_options - 1); + continue; + } + + if (choice == annotate || choice == annotate_t || choice == annotate_f) { + struct hist_entry *he; + struct annotation *notes; + struct map_symbol ms; + int err; +do_annotate: + if (!objdump_path && perf_session_env__lookup_objdump(env)) + continue; + + he = hist_browser__selected_entry(browser); + if (he == NULL) + continue; + + if (choice == annotate_f) { + ms.map = he->branch_info->from.map; + ms.sym = he->branch_info->from.sym; + } else if (choice == annotate_t) { + ms.map = he->branch_info->to.map; + ms.sym = he->branch_info->to.sym; + } else { + ms = *browser->selection; + } + + notes = symbol__annotation(ms.sym); + if (!notes->src) + continue; + + err = map_symbol__tui_annotate(&ms, evsel, hbt); + /* + * offer option to annotate the other branch source or target + * (if they exists) when returning from annotate + */ + if ((err == 'q' || err == CTRL('c')) + && annotate_t != -2 && annotate_f != -2) + goto retry_popup_menu; + + ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); + if (err) + ui_browser__handle_resize(&browser->b); + + } else if (choice == browse_map) + map__browse(browser->selection->map); + else if (choice == zoom_dso) { +zoom_dso: + if (browser->hists->dso_filter) { + pstack__remove(fstack, &browser->hists->dso_filter); +zoom_out_dso: + ui_helpline__pop(); + browser->hists->dso_filter = NULL; + perf_hpp__set_elide(HISTC_DSO, false); + } else { + if (dso == NULL) + continue; + ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"", + dso->kernel ? "the Kernel" : dso->short_name); + browser->hists->dso_filter = dso; + perf_hpp__set_elide(HISTC_DSO, true); + pstack__push(fstack, &browser->hists->dso_filter); + } + hists__filter_by_dso(hists); + hist_browser__reset(browser); + } else if (choice == zoom_thread) { +zoom_thread: + if (browser->hists->thread_filter) { + pstack__remove(fstack, &browser->hists->thread_filter); +zoom_out_thread: + ui_helpline__pop(); + thread__zput(browser->hists->thread_filter); + perf_hpp__set_elide(HISTC_THREAD, false); + } else { + ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", + thread->comm_set ? thread__comm_str(thread) : "", + thread->tid); + browser->hists->thread_filter = thread__get(thread); + perf_hpp__set_elide(HISTC_THREAD, false); + pstack__push(fstack, &browser->hists->thread_filter); + } + hists__filter_by_thread(hists); + hist_browser__reset(browser); + } + /* perf scripts support */ + else if (choice == scripts_all || choice == scripts_comm || + choice == scripts_symbol) { +do_scripts: + memset(script_opt, 0, 64); + + if (choice == scripts_comm) + sprintf(script_opt, " -c %s ", thread__comm_str(browser->he_selection->thread)); + + if (choice == scripts_symbol) + sprintf(script_opt, " -S %s ", browser->he_selection->ms.sym->name); + + script_browse(script_opt); + } + /* Switch to another data file */ + else if (choice == switch_data) { +do_data_switch: + if (!switch_data_file()) { + key = K_SWITCH_INPUT_DATA; + break; + } else + ui__warning("Won't switch the data files due to\n" + "no valid data file get selected!\n"); + } + } +out_free_stack: + pstack__delete(fstack); +out: + hist_browser__delete(browser); + free_popup_options(options, nr_options - 1); + return key; +} + +struct perf_evsel_menu { + struct ui_browser b; + struct perf_evsel *selection; + bool lost_events, lost_events_warned; + float min_pcnt; + struct perf_session_env *env; +}; + +static void perf_evsel_menu__write(struct ui_browser *browser, + void *entry, int row) +{ + struct perf_evsel_menu *menu = container_of(browser, + struct perf_evsel_menu, b); + struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); + struct hists *hists = evsel__hists(evsel); + bool current_entry = ui_browser__is_current_entry(browser, row); + unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE]; + const char *ev_name = perf_evsel__name(evsel); + char bf[256], unit; + const char *warn = " "; + size_t printed; + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + if (perf_evsel__is_group_event(evsel)) { + struct perf_evsel *pos; + + ev_name = perf_evsel__group_name(evsel); + + for_each_group_member(pos, evsel) { + struct hists *pos_hists = evsel__hists(pos); + nr_events += pos_hists->stats.nr_events[PERF_RECORD_SAMPLE]; + } + } + + nr_events = convert_unit(nr_events, &unit); + printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, + unit, unit == ' ' ? "" : " ", ev_name); + slsmg_printf("%s", bf); + + nr_events = hists->stats.nr_events[PERF_RECORD_LOST]; + if (nr_events != 0) { + menu->lost_events = true; + if (!current_entry) + ui_browser__set_color(browser, HE_COLORSET_TOP); + nr_events = convert_unit(nr_events, &unit); + printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!", + nr_events, unit, unit == ' ' ? "" : " "); + warn = bf; + } + + slsmg_write_nstring(warn, browser->width - printed); + + if (current_entry) + menu->selection = evsel; +} + +static int perf_evsel_menu__run(struct perf_evsel_menu *menu, + int nr_events, const char *help, + struct hist_browser_timer *hbt) +{ + struct perf_evlist *evlist = menu->b.priv; + struct perf_evsel *pos; + const char *title = "Available samples"; + int delay_secs = hbt ? hbt->refresh : 0; + int key; + + if (ui_browser__show(&menu->b, title, + "ESC: exit, ENTER|->: Browse histograms") < 0) + return -1; + + while (1) { + key = ui_browser__run(&menu->b, delay_secs); + + switch (key) { + case K_TIMER: + hbt->timer(hbt->arg); + + if (!menu->lost_events_warned && menu->lost_events) { + ui_browser__warn_lost_events(&menu->b); + menu->lost_events_warned = true; + } + continue; + case K_RIGHT: + case K_ENTER: + if (!menu->selection) + continue; + pos = menu->selection; +browse_hists: + perf_evlist__set_selected(evlist, pos); + /* + * Give the calling tool a chance to populate the non + * default evsel resorted hists tree. + */ + if (hbt) + hbt->timer(hbt->arg); + key = perf_evsel__hists_browse(pos, nr_events, help, + true, hbt, + menu->min_pcnt, + menu->env); + ui_browser__show_title(&menu->b, title); + switch (key) { + case K_TAB: + if (pos->node.next == &evlist->entries) + pos = perf_evlist__first(evlist); + else + pos = perf_evsel__next(pos); + goto browse_hists; + case K_UNTAB: + if (pos->node.prev == &evlist->entries) + pos = perf_evlist__last(evlist); + else + pos = perf_evsel__prev(pos); + goto browse_hists; + case K_ESC: + if (!ui_browser__dialog_yesno(&menu->b, + "Do you really want to exit?")) + continue; + /* Fall thru */ + case K_SWITCH_INPUT_DATA: + case 'q': + case CTRL('c'): + goto out; + default: + continue; + } + case K_LEFT: + continue; + case K_ESC: + if (!ui_browser__dialog_yesno(&menu->b, + "Do you really want to exit?")) + continue; + /* Fall thru */ + case 'q': + case CTRL('c'): + goto out; + default: + continue; + } + } + +out: + ui_browser__hide(&menu->b); + return key; +} + +static bool filter_group_entries(struct ui_browser *browser __maybe_unused, + void *entry) +{ + struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); + + if (symbol_conf.event_group && !perf_evsel__is_group_leader(evsel)) + return true; + + return false; +} + +static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, + int nr_entries, const char *help, + struct hist_browser_timer *hbt, + float min_pcnt, + struct perf_session_env *env) +{ + struct perf_evsel *pos; + struct perf_evsel_menu menu = { + .b = { + .entries = &evlist->entries, + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = perf_evsel_menu__write, + .filter = filter_group_entries, + .nr_entries = nr_entries, + .priv = evlist, + }, + .min_pcnt = min_pcnt, + .env = env, + }; + + ui_helpline__push("Press ESC to exit"); + + evlist__for_each(evlist, pos) { + const char *ev_name = perf_evsel__name(pos); + size_t line_len = strlen(ev_name) + 7; + + if (menu.b.width < line_len) + menu.b.width = line_len; + } + + return perf_evsel_menu__run(&menu, nr_entries, help, hbt); +} + +int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, + struct hist_browser_timer *hbt, + float min_pcnt, + struct perf_session_env *env) +{ + int nr_entries = evlist->nr_entries; + +single_entry: + if (nr_entries == 1) { + struct perf_evsel *first = perf_evlist__first(evlist); + + return perf_evsel__hists_browse(first, nr_entries, help, + false, hbt, min_pcnt, + env); + } + + if (symbol_conf.event_group) { + struct perf_evsel *pos; + + nr_entries = 0; + evlist__for_each(evlist, pos) { + if (perf_evsel__is_group_leader(pos)) + nr_entries++; + } + + if (nr_entries == 1) + goto single_entry; + } + + return __perf_evlist__tui_browse_hists(evlist, nr_entries, help, + hbt, min_pcnt, env); +} diff --git a/kernel/tools/perf/ui/browsers/map.c b/kernel/tools/perf/ui/browsers/map.c new file mode 100644 index 000000000..b11639f33 --- /dev/null +++ b/kernel/tools/perf/ui/browsers/map.c @@ -0,0 +1,130 @@ +#include "../libslang.h" +#include <elf.h> +#include <inttypes.h> +#include <sys/ttydefaults.h> +#include <string.h> +#include <linux/bitops.h> +#include "../../util/util.h" +#include "../../util/debug.h" +#include "../../util/symbol.h" +#include "../browser.h" +#include "../helpline.h" +#include "../keysyms.h" +#include "map.h" + +struct map_browser { + struct ui_browser b; + struct map *map; + u8 addrlen; +}; + +static void map_browser__write(struct ui_browser *browser, void *nd, int row) +{ + struct symbol *sym = rb_entry(nd, struct symbol, rb_node); + struct map_browser *mb = container_of(browser, struct map_browser, b); + bool current_entry = ui_browser__is_current_entry(browser, row); + int width; + + ui_browser__set_percent_color(browser, 0, current_entry); + slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ", + mb->addrlen, sym->start, mb->addrlen, sym->end, + sym->binding == STB_GLOBAL ? 'g' : + sym->binding == STB_LOCAL ? 'l' : 'w'); + width = browser->width - ((mb->addrlen * 2) + 4); + if (width > 0) + slsmg_write_nstring(sym->name, width); +} + +/* FIXME uber-kludgy, see comment on cmd_report... */ +static u32 *symbol__browser_index(struct symbol *browser) +{ + return ((void *)browser) - sizeof(struct rb_node) - sizeof(u32); +} + +static int map_browser__search(struct map_browser *browser) +{ + char target[512]; + struct symbol *sym; + int err = ui_browser__input_window("Search by name/addr", + "Prefix with 0x to search by address", + target, "ENTER: OK, ESC: Cancel", 0); + if (err != K_ENTER) + return -1; + + if (target[0] == '0' && tolower(target[1]) == 'x') { + u64 addr = strtoull(target, NULL, 16); + sym = map__find_symbol(browser->map, addr, NULL); + } else + sym = map__find_symbol_by_name(browser->map, target, NULL); + + if (sym != NULL) { + u32 *idx = symbol__browser_index(sym); + + browser->b.top = &sym->rb_node; + browser->b.index = browser->b.top_idx = *idx; + } else + ui_helpline__fpush("%s not found!", target); + + return 0; +} + +static int map_browser__run(struct map_browser *browser) +{ + int key; + + if (ui_browser__show(&browser->b, browser->map->dso->long_name, + "Press <- or ESC to exit, %s / to search", + verbose ? "" : "restart with -v to use") < 0) + return -1; + + while (1) { + key = ui_browser__run(&browser->b, 0); + + switch (key) { + case '/': + if (verbose) + map_browser__search(browser); + default: + break; + case K_LEFT: + case K_ESC: + case 'q': + case CTRL('c'): + goto out; + } + } +out: + ui_browser__hide(&browser->b); + return key; +} + +int map__browse(struct map *map) +{ + struct map_browser mb = { + .b = { + .entries = &map->dso->symbols[map->type], + .refresh = ui_browser__rb_tree_refresh, + .seek = ui_browser__rb_tree_seek, + .write = map_browser__write, + }, + .map = map, + }; + struct rb_node *nd; + char tmp[BITS_PER_LONG / 4]; + u64 maxaddr = 0; + + for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) { + struct symbol *pos = rb_entry(nd, struct symbol, rb_node); + + if (maxaddr < pos->end) + maxaddr = pos->end; + if (verbose) { + u32 *idx = symbol__browser_index(pos); + *idx = mb.b.nr_entries; + } + ++mb.b.nr_entries; + } + + mb.addrlen = snprintf(tmp, sizeof(tmp), "%" PRIx64, maxaddr); + return map_browser__run(&mb); +} diff --git a/kernel/tools/perf/ui/browsers/map.h b/kernel/tools/perf/ui/browsers/map.h new file mode 100644 index 000000000..2d58e4b3e --- /dev/null +++ b/kernel/tools/perf/ui/browsers/map.h @@ -0,0 +1,6 @@ +#ifndef _PERF_UI_MAP_BROWSER_H_ +#define _PERF_UI_MAP_BROWSER_H_ 1 +struct map; + +int map__browse(struct map *map); +#endif /* _PERF_UI_MAP_BROWSER_H_ */ diff --git a/kernel/tools/perf/ui/browsers/scripts.c b/kernel/tools/perf/ui/browsers/scripts.c new file mode 100644 index 000000000..402d2bd30 --- /dev/null +++ b/kernel/tools/perf/ui/browsers/scripts.c @@ -0,0 +1,187 @@ +#include <elf.h> +#include <inttypes.h> +#include <sys/ttydefaults.h> +#include <string.h> +#include "../../util/sort.h" +#include "../../util/util.h" +#include "../../util/hist.h" +#include "../../util/debug.h" +#include "../../util/symbol.h" +#include "../browser.h" +#include "../helpline.h" +#include "../libslang.h" + +/* 2048 lines should be enough for a script output */ +#define MAX_LINES 2048 + +/* 160 bytes for one output line */ +#define AVERAGE_LINE_LEN 160 + +struct script_line { + struct list_head node; + char line[AVERAGE_LINE_LEN]; +}; + +struct perf_script_browser { + struct ui_browser b; + struct list_head entries; + const char *script_name; + int nr_lines; +}; + +#define SCRIPT_NAMELEN 128 +#define SCRIPT_MAX_NO 64 +/* + * Usually the full path for a script is: + * /home/username/libexec/perf-core/scripts/python/xxx.py + * /home/username/libexec/perf-core/scripts/perl/xxx.pl + * So 256 should be long enough to contain the full path. + */ +#define SCRIPT_FULLPATH_LEN 256 + +/* + * When success, will copy the full path of the selected script + * into the buffer pointed by script_name, and return 0. + * Return -1 on failure. + */ +static int list_scripts(char *script_name) +{ + char *buf, *names[SCRIPT_MAX_NO], *paths[SCRIPT_MAX_NO]; + int i, num, choice, ret = -1; + + /* Preset the script name to SCRIPT_NAMELEN */ + buf = malloc(SCRIPT_MAX_NO * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN)); + if (!buf) + return ret; + + for (i = 0; i < SCRIPT_MAX_NO; i++) { + names[i] = buf + i * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN); + paths[i] = names[i] + SCRIPT_NAMELEN; + } + + num = find_scripts(names, paths); + if (num > 0) { + choice = ui__popup_menu(num, names); + if (choice < num && choice >= 0) { + strcpy(script_name, paths[choice]); + ret = 0; + } + } + + free(buf); + return ret; +} + +static void script_browser__write(struct ui_browser *browser, + void *entry, int row) +{ + struct script_line *sline = list_entry(entry, struct script_line, node); + bool current_entry = ui_browser__is_current_entry(browser, row); + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + slsmg_write_nstring(sline->line, browser->width); +} + +static int script_browser__run(struct perf_script_browser *browser) +{ + int key; + + if (ui_browser__show(&browser->b, browser->script_name, + "Press <- or ESC to exit") < 0) + return -1; + + while (1) { + key = ui_browser__run(&browser->b, 0); + + /* We can add some special key handling here if needed */ + break; + } + + ui_browser__hide(&browser->b); + return key; +} + + +int script_browse(const char *script_opt) +{ + char cmd[SCRIPT_FULLPATH_LEN*2], script_name[SCRIPT_FULLPATH_LEN]; + char *line = NULL; + size_t len = 0; + ssize_t retlen; + int ret = -1, nr_entries = 0; + FILE *fp; + void *buf; + struct script_line *sline; + + struct perf_script_browser script = { + .b = { + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = script_browser__write, + }, + .script_name = script_name, + }; + + INIT_LIST_HEAD(&script.entries); + + /* Save each line of the output in one struct script_line object. */ + buf = zalloc((sizeof(*sline)) * MAX_LINES); + if (!buf) + return -1; + sline = buf; + + memset(script_name, 0, SCRIPT_FULLPATH_LEN); + if (list_scripts(script_name)) + goto exit; + + sprintf(cmd, "perf script -s %s ", script_name); + + if (script_opt) + strcat(cmd, script_opt); + + if (input_name) { + strcat(cmd, " -i "); + strcat(cmd, input_name); + } + + strcat(cmd, " 2>&1"); + + fp = popen(cmd, "r"); + if (!fp) + goto exit; + + while ((retlen = getline(&line, &len, fp)) != -1) { + strncpy(sline->line, line, AVERAGE_LINE_LEN); + + /* If one output line is very large, just cut it short */ + if (retlen >= AVERAGE_LINE_LEN) { + sline->line[AVERAGE_LINE_LEN - 1] = '\0'; + sline->line[AVERAGE_LINE_LEN - 2] = '\n'; + } + list_add_tail(&sline->node, &script.entries); + + if (script.b.width < retlen) + script.b.width = retlen; + + if (nr_entries++ >= MAX_LINES - 1) + break; + sline++; + } + + if (script.b.width > AVERAGE_LINE_LEN) + script.b.width = AVERAGE_LINE_LEN; + + free(line); + pclose(fp); + + script.nr_lines = nr_entries; + script.b.nr_entries = nr_entries; + script.b.entries = &script.entries; + + ret = script_browser__run(&script); +exit: + free(buf); + return ret; +} diff --git a/kernel/tools/perf/ui/gtk/Build b/kernel/tools/perf/ui/gtk/Build new file mode 100644 index 000000000..ec22e899a --- /dev/null +++ b/kernel/tools/perf/ui/gtk/Build @@ -0,0 +1,9 @@ +CFLAGS_gtk += -fPIC $(GTK_CFLAGS) + +gtk-y += browser.o +gtk-y += hists.o +gtk-y += setup.o +gtk-y += util.o +gtk-y += helpline.o +gtk-y += progress.o +gtk-y += annotate.o diff --git a/kernel/tools/perf/ui/gtk/annotate.c b/kernel/tools/perf/ui/gtk/annotate.c new file mode 100644 index 000000000..9c7ff8d31 --- /dev/null +++ b/kernel/tools/perf/ui/gtk/annotate.c @@ -0,0 +1,252 @@ +#include "gtk.h" +#include "util/debug.h" +#include "util/annotate.h" +#include "util/evsel.h" +#include "ui/helpline.h" + + +enum { + ANN_COL__PERCENT, + ANN_COL__OFFSET, + ANN_COL__LINE, + + MAX_ANN_COLS +}; + +static const char *const col_names[] = { + "Overhead", + "Offset", + "Line" +}; + +static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym, + struct disasm_line *dl, int evidx) +{ + struct sym_hist *symhist; + double percent = 0.0; + const char *markup; + int ret = 0; + + strcpy(buf, ""); + + if (dl->offset == (s64) -1) + return 0; + + symhist = annotation__histogram(symbol__annotation(sym), evidx); + if (!symbol_conf.event_group && !symhist->addr[dl->offset]) + return 0; + + percent = 100.0 * symhist->addr[dl->offset] / symhist->sum; + + markup = perf_gtk__get_percent_color(percent); + if (markup) + ret += scnprintf(buf, size, "%s", markup); + ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent); + if (markup) + ret += scnprintf(buf + ret, size - ret, "</span>"); + + return ret; +} + +static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym, + struct map *map, struct disasm_line *dl) +{ + u64 start = map__rip_2objdump(map, sym->start); + + strcpy(buf, ""); + + if (dl->offset == (s64) -1) + return 0; + + return scnprintf(buf, size, "%"PRIx64, start + dl->offset); +} + +static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl) +{ + int ret = 0; + char *line = g_markup_escape_text(dl->line, -1); + const char *markup = "<span fgcolor='gray'>"; + + strcpy(buf, ""); + + if (!line) + return 0; + + if (dl->offset != (s64) -1) + markup = NULL; + + if (markup) + ret += scnprintf(buf, size, "%s", markup); + ret += scnprintf(buf + ret, size - ret, "%s", line); + if (markup) + ret += scnprintf(buf + ret, size - ret, "</span>"); + + g_free(line); + return ret; +} + +static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym, + struct map *map, struct perf_evsel *evsel, + struct hist_browser_timer *hbt __maybe_unused) +{ + struct disasm_line *pos, *n; + struct annotation *notes; + GType col_types[MAX_ANN_COLS]; + GtkCellRenderer *renderer; + GtkListStore *store; + GtkWidget *view; + int i; + char s[512]; + + notes = symbol__annotation(sym); + + for (i = 0; i < MAX_ANN_COLS; i++) { + col_types[i] = G_TYPE_STRING; + } + store = gtk_list_store_newv(MAX_ANN_COLS, col_types); + + view = gtk_tree_view_new(); + renderer = gtk_cell_renderer_text_new(); + + for (i = 0; i < MAX_ANN_COLS; i++) { + gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), + -1, col_names[i], renderer, "markup", + i, NULL); + } + + gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); + g_object_unref(GTK_TREE_MODEL(store)); + + list_for_each_entry(pos, ¬es->src->source, node) { + GtkTreeIter iter; + int ret = 0; + + gtk_list_store_append(store, &iter); + + if (perf_evsel__is_group_event(evsel)) { + for (i = 0; i < evsel->nr_members; i++) { + ret += perf_gtk__get_percent(s + ret, + sizeof(s) - ret, + sym, pos, + evsel->idx + i); + ret += scnprintf(s + ret, sizeof(s) - ret, " "); + } + } else { + ret = perf_gtk__get_percent(s, sizeof(s), sym, pos, + evsel->idx); + } + + if (ret) + gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1); + if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos)) + gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1); + if (perf_gtk__get_line(s, sizeof(s), pos)) + gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1); + } + + gtk_container_add(GTK_CONTAINER(window), view); + + list_for_each_entry_safe(pos, n, ¬es->src->source, node) { + list_del(&pos->node); + disasm_line__free(pos); + } + + return 0; +} + +static int symbol__gtk_annotate(struct symbol *sym, struct map *map, + struct perf_evsel *evsel, + struct hist_browser_timer *hbt) +{ + GtkWidget *window; + GtkWidget *notebook; + GtkWidget *scrolled_window; + GtkWidget *tab_label; + + if (map->dso->annotate_warned) + return -1; + + if (symbol__annotate(sym, map, 0) < 0) { + ui__error("%s", ui_helpline__current); + return -1; + } + + if (perf_gtk__is_active_context(pgctx)) { + window = pgctx->main_window; + notebook = pgctx->notebook; + } else { + GtkWidget *vbox; + GtkWidget *infobar; + GtkWidget *statbar; + + signal(SIGSEGV, perf_gtk__signal); + signal(SIGFPE, perf_gtk__signal); + signal(SIGINT, perf_gtk__signal); + signal(SIGQUIT, perf_gtk__signal); + signal(SIGTERM, perf_gtk__signal); + + window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + gtk_window_set_title(GTK_WINDOW(window), "perf annotate"); + + g_signal_connect(window, "delete_event", gtk_main_quit, NULL); + + pgctx = perf_gtk__activate_context(window); + if (!pgctx) + return -1; + + vbox = gtk_vbox_new(FALSE, 0); + notebook = gtk_notebook_new(); + pgctx->notebook = notebook; + + gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0); + + infobar = perf_gtk__setup_info_bar(); + if (infobar) { + gtk_box_pack_start(GTK_BOX(vbox), infobar, + FALSE, FALSE, 0); + } + + statbar = perf_gtk__setup_statusbar(); + gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0); + + gtk_container_add(GTK_CONTAINER(window), vbox); + } + + scrolled_window = gtk_scrolled_window_new(NULL, NULL); + tab_label = gtk_label_new(sym->name); + + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + + gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, + tab_label); + + perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt); + return 0; +} + +int hist_entry__gtk_annotate(struct hist_entry *he, + struct perf_evsel *evsel, + struct hist_browser_timer *hbt) +{ + return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt); +} + +void perf_gtk__show_annotations(void) +{ + GtkWidget *window; + + if (!perf_gtk__is_active_context(pgctx)) + return; + + window = pgctx->main_window; + gtk_widget_show_all(window); + + perf_gtk__resize_window(window); + gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER); + + gtk_main(); + + perf_gtk__deactivate_context(&pgctx); +} diff --git a/kernel/tools/perf/ui/gtk/browser.c b/kernel/tools/perf/ui/gtk/browser.c new file mode 100644 index 000000000..c24d91221 --- /dev/null +++ b/kernel/tools/perf/ui/gtk/browser.c @@ -0,0 +1,87 @@ +#include "../evlist.h" +#include "../cache.h" +#include "../evsel.h" +#include "../sort.h" +#include "../hist.h" +#include "../helpline.h" +#include "gtk.h" + +#include <signal.h> + +void perf_gtk__signal(int sig) +{ + perf_gtk__exit(false); + psignal(sig, "perf"); +} + +void perf_gtk__resize_window(GtkWidget *window) +{ + GdkRectangle rect; + GdkScreen *screen; + int monitor; + int height; + int width; + + screen = gtk_widget_get_screen(window); + + monitor = gdk_screen_get_monitor_at_window(screen, window->window); + + gdk_screen_get_monitor_geometry(screen, monitor, &rect); + + width = rect.width * 3 / 4; + height = rect.height * 3 / 4; + + gtk_window_resize(GTK_WINDOW(window), width, height); +} + +const char *perf_gtk__get_percent_color(double percent) +{ + if (percent >= MIN_RED) + return "<span fgcolor='red'>"; + if (percent >= MIN_GREEN) + return "<span fgcolor='dark green'>"; + return NULL; +} + +#ifdef HAVE_GTK_INFO_BAR_SUPPORT +GtkWidget *perf_gtk__setup_info_bar(void) +{ + GtkWidget *info_bar; + GtkWidget *label; + GtkWidget *content_area; + + info_bar = gtk_info_bar_new(); + gtk_widget_set_no_show_all(info_bar, TRUE); + + label = gtk_label_new(""); + gtk_widget_show(label); + + content_area = gtk_info_bar_get_content_area(GTK_INFO_BAR(info_bar)); + gtk_container_add(GTK_CONTAINER(content_area), label); + + gtk_info_bar_add_button(GTK_INFO_BAR(info_bar), GTK_STOCK_OK, + GTK_RESPONSE_OK); + g_signal_connect(info_bar, "response", + G_CALLBACK(gtk_widget_hide), NULL); + + pgctx->info_bar = info_bar; + pgctx->message_label = label; + + return info_bar; +} +#endif + +GtkWidget *perf_gtk__setup_statusbar(void) +{ + GtkWidget *stbar; + unsigned ctxid; + + stbar = gtk_statusbar_new(); + + ctxid = gtk_statusbar_get_context_id(GTK_STATUSBAR(stbar), + "perf report"); + pgctx->statbar = stbar; + pgctx->statbar_ctx_id = ctxid; + + return stbar; +} diff --git a/kernel/tools/perf/ui/gtk/gtk.h b/kernel/tools/perf/ui/gtk/gtk.h new file mode 100644 index 000000000..0a9173ff9 --- /dev/null +++ b/kernel/tools/perf/ui/gtk/gtk.h @@ -0,0 +1,67 @@ +#ifndef _PERF_GTK_H_ +#define _PERF_GTK_H_ 1 + +#include <stdbool.h> + +#pragma GCC diagnostic ignored "-Wstrict-prototypes" +#include <gtk/gtk.h> +#pragma GCC diagnostic error "-Wstrict-prototypes" + + +struct perf_gtk_context { + GtkWidget *main_window; + GtkWidget *notebook; + +#ifdef HAVE_GTK_INFO_BAR_SUPPORT + GtkWidget *info_bar; + GtkWidget *message_label; +#endif + GtkWidget *statbar; + guint statbar_ctx_id; +}; + +int perf_gtk__init(void); +void perf_gtk__exit(bool wait_for_ok); + +extern struct perf_gtk_context *pgctx; + +static inline bool perf_gtk__is_active_context(struct perf_gtk_context *ctx) +{ + return ctx && ctx->main_window; +} + +struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window); +int perf_gtk__deactivate_context(struct perf_gtk_context **ctx); + +void perf_gtk__init_helpline(void); +void gtk_ui_progress__init(void); +void perf_gtk__init_hpp(void); + +void perf_gtk__signal(int sig); +void perf_gtk__resize_window(GtkWidget *window); +const char *perf_gtk__get_percent_color(double percent); +GtkWidget *perf_gtk__setup_statusbar(void); + +#ifdef HAVE_GTK_INFO_BAR_SUPPORT +GtkWidget *perf_gtk__setup_info_bar(void); +#else +static inline GtkWidget *perf_gtk__setup_info_bar(void) +{ + return NULL; +} +#endif + +struct perf_evsel; +struct perf_evlist; +struct hist_entry; +struct hist_browser_timer; + +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, + struct hist_browser_timer *hbt, + float min_pcnt); +int hist_entry__gtk_annotate(struct hist_entry *he, + struct perf_evsel *evsel, + struct hist_browser_timer *hbt); +void perf_gtk__show_annotations(void); + +#endif /* _PERF_GTK_H_ */ diff --git a/kernel/tools/perf/ui/gtk/helpline.c b/kernel/tools/perf/ui/gtk/helpline.c new file mode 100644 index 000000000..3388cbd12 --- /dev/null +++ b/kernel/tools/perf/ui/gtk/helpline.c @@ -0,0 +1,57 @@ +#include <stdio.h> +#include <string.h> + +#include "gtk.h" +#include "../ui.h" +#include "../helpline.h" +#include "../../util/debug.h" + +static void gtk_helpline_pop(void) +{ + if (!perf_gtk__is_active_context(pgctx)) + return; + + gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar), + pgctx->statbar_ctx_id); +} + +static void gtk_helpline_push(const char *msg) +{ + if (!perf_gtk__is_active_context(pgctx)) + return; + + gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar), + pgctx->statbar_ctx_id, msg); +} + +static int gtk_helpline_show(const char *fmt, va_list ap) +{ + int ret; + char *ptr; + static int backlog; + + ret = vscnprintf(ui_helpline__current + backlog, + sizeof(ui_helpline__current) - backlog, fmt, ap); + backlog += ret; + + /* only first line can be displayed */ + ptr = strchr(ui_helpline__current, '\n'); + if (ptr && (ptr - ui_helpline__current) <= backlog) { + *ptr = '\0'; + ui_helpline__puts(ui_helpline__current); + backlog = 0; + } + + return ret; +} + +static struct ui_helpline gtk_helpline_fns = { + .pop = gtk_helpline_pop, + .push = gtk_helpline_push, + .show = gtk_helpline_show, +}; + +void perf_gtk__init_helpline(void) +{ + helpline_fns = >k_helpline_fns; +} diff --git a/kernel/tools/perf/ui/gtk/hists.c b/kernel/tools/perf/ui/gtk/hists.c new file mode 100644 index 000000000..4b3585eed --- /dev/null +++ b/kernel/tools/perf/ui/gtk/hists.c @@ -0,0 +1,356 @@ +#include "../evlist.h" +#include "../cache.h" +#include "../evsel.h" +#include "../sort.h" +#include "../hist.h" +#include "../helpline.h" +#include "gtk.h" + +#define MAX_COLUMNS 32 + +static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...) +{ + int ret = 0; + int len; + va_list args; + double percent; + const char *markup; + char *buf = hpp->buf; + size_t size = hpp->size; + + va_start(args, fmt); + len = va_arg(args, int); + percent = va_arg(args, double); + va_end(args); + + markup = perf_gtk__get_percent_color(percent); + if (markup) + ret += scnprintf(buf, size, markup); + + ret += scnprintf(buf + ret, size - ret, fmt, len, percent); + + if (markup) + ret += scnprintf(buf + ret, size - ret, "</span>"); + + return ret; +} + +#define __HPP_COLOR_PERCENT_FN(_type, _field) \ +static u64 he_get_##_field(struct hist_entry *he) \ +{ \ + return he->stat._field; \ +} \ + \ +static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \ + __percent_color_snprintf, true); \ +} + +#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +static u64 he_get_acc_##_field(struct hist_entry *he) \ +{ \ + return he->stat_acc->_field; \ +} \ + \ +static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct perf_hpp *hpp, \ + struct hist_entry *he) \ +{ \ + return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \ + __percent_color_snprintf, true); \ +} + +__HPP_COLOR_PERCENT_FN(overhead, period) +__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys) +__HPP_COLOR_PERCENT_FN(overhead_us, period_us) +__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys) +__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us) +__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period) + +#undef __HPP_COLOR_PERCENT_FN + + +void perf_gtk__init_hpp(void) +{ + perf_hpp__format[PERF_HPP__OVERHEAD].color = + perf_gtk__hpp_color_overhead; + perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color = + perf_gtk__hpp_color_overhead_sys; + perf_hpp__format[PERF_HPP__OVERHEAD_US].color = + perf_gtk__hpp_color_overhead_us; + perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color = + perf_gtk__hpp_color_overhead_guest_sys; + perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color = + perf_gtk__hpp_color_overhead_guest_us; + perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color = + perf_gtk__hpp_color_overhead_acc; +} + +static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store, + GtkTreeIter *parent, int col, u64 total) +{ + struct rb_node *nd; + bool has_single_node = (rb_first(root) == rb_last(root)); + + for (nd = rb_first(root); nd; nd = rb_next(nd)) { + struct callchain_node *node; + struct callchain_list *chain; + GtkTreeIter iter, new_parent; + bool need_new_parent; + double percent; + u64 hits, child_total; + + node = rb_entry(nd, struct callchain_node, rb_node); + + hits = callchain_cumul_hits(node); + percent = 100.0 * hits / total; + + new_parent = *parent; + need_new_parent = !has_single_node && (node->val_nr > 1); + + list_for_each_entry(chain, &node->val, list) { + char buf[128]; + + gtk_tree_store_append(store, &iter, &new_parent); + + scnprintf(buf, sizeof(buf), "%5.2f%%", percent); + gtk_tree_store_set(store, &iter, 0, buf, -1); + + callchain_list__sym_name(chain, buf, sizeof(buf), false); + gtk_tree_store_set(store, &iter, col, buf, -1); + + if (need_new_parent) { + /* + * Only show the top-most symbol in a callchain + * if it's not the only callchain. + */ + new_parent = iter; + need_new_parent = false; + } + } + + if (callchain_param.mode == CHAIN_GRAPH_REL) + child_total = node->children_hit; + else + child_total = total; + + /* Now 'iter' contains info of the last callchain_list */ + perf_gtk__add_callchain(&node->rb_root, store, &iter, col, + child_total); + } +} + +static void on_row_activated(GtkTreeView *view, GtkTreePath *path, + GtkTreeViewColumn *col __maybe_unused, + gpointer user_data __maybe_unused) +{ + bool expanded = gtk_tree_view_row_expanded(view, path); + + if (expanded) + gtk_tree_view_collapse_row(view, path); + else + gtk_tree_view_expand_row(view, path, FALSE); +} + +static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists, + float min_pcnt) +{ + struct perf_hpp_fmt *fmt; + GType col_types[MAX_COLUMNS]; + GtkCellRenderer *renderer; + GtkTreeStore *store; + struct rb_node *nd; + GtkWidget *view; + int col_idx; + int sym_col = -1; + int nr_cols; + char s[512]; + + struct perf_hpp hpp = { + .buf = s, + .size = sizeof(s), + }; + + nr_cols = 0; + + perf_hpp__for_each_format(fmt) + col_types[nr_cols++] = G_TYPE_STRING; + + store = gtk_tree_store_newv(nr_cols, col_types); + + view = gtk_tree_view_new(); + + renderer = gtk_cell_renderer_text_new(); + + col_idx = 0; + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + /* + * XXX no way to determine where symcol column is.. + * Just use last column for now. + */ + if (perf_hpp__is_sort_entry(fmt)) + sym_col = col_idx; + + gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), + -1, fmt->name, + renderer, "markup", + col_idx++, NULL); + } + + for (col_idx = 0; col_idx < nr_cols; col_idx++) { + GtkTreeViewColumn *column; + + column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx); + gtk_tree_view_column_set_resizable(column, TRUE); + + if (col_idx == sym_col) { + gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view), + column); + } + } + + gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); + + g_object_unref(GTK_TREE_MODEL(store)); + + for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + GtkTreeIter iter; + u64 total = hists__total_period(h->hists); + float percent; + + if (h->filtered) + continue; + + percent = hist_entry__get_percent_limit(h); + if (percent < min_pcnt) + continue; + + gtk_tree_store_append(store, &iter, NULL); + + col_idx = 0; + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + if (fmt->color) + fmt->color(fmt, &hpp, h); + else + fmt->entry(fmt, &hpp, h); + + gtk_tree_store_set(store, &iter, col_idx++, s, -1); + } + + if (symbol_conf.use_callchain && sort__has_sym) { + if (callchain_param.mode == CHAIN_GRAPH_REL) + total = symbol_conf.cumulate_callchain ? + h->stat_acc->period : h->stat.period; + + perf_gtk__add_callchain(&h->sorted_chain, store, &iter, + sym_col, total); + } + } + + gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE); + + g_signal_connect(view, "row-activated", + G_CALLBACK(on_row_activated), NULL); + gtk_container_add(GTK_CONTAINER(window), view); +} + +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, + const char *help, + struct hist_browser_timer *hbt __maybe_unused, + float min_pcnt) +{ + struct perf_evsel *pos; + GtkWidget *vbox; + GtkWidget *notebook; + GtkWidget *info_bar; + GtkWidget *statbar; + GtkWidget *window; + + signal(SIGSEGV, perf_gtk__signal); + signal(SIGFPE, perf_gtk__signal); + signal(SIGINT, perf_gtk__signal); + signal(SIGQUIT, perf_gtk__signal); + signal(SIGTERM, perf_gtk__signal); + + window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + + gtk_window_set_title(GTK_WINDOW(window), "perf report"); + + g_signal_connect(window, "delete_event", gtk_main_quit, NULL); + + pgctx = perf_gtk__activate_context(window); + if (!pgctx) + return -1; + + vbox = gtk_vbox_new(FALSE, 0); + + notebook = gtk_notebook_new(); + + gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0); + + info_bar = perf_gtk__setup_info_bar(); + if (info_bar) + gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0); + + statbar = perf_gtk__setup_statusbar(); + gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0); + + gtk_container_add(GTK_CONTAINER(window), vbox); + + evlist__for_each(evlist, pos) { + struct hists *hists = evsel__hists(pos); + const char *evname = perf_evsel__name(pos); + GtkWidget *scrolled_window; + GtkWidget *tab_label; + char buf[512]; + size_t size = sizeof(buf); + + if (symbol_conf.event_group) { + if (!perf_evsel__is_group_leader(pos)) + continue; + + if (pos->nr_members > 1) { + perf_evsel__group_desc(pos, buf, size); + evname = buf; + } + } + + scrolled_window = gtk_scrolled_window_new(NULL, NULL); + + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + + perf_gtk__show_hists(scrolled_window, hists, min_pcnt); + + tab_label = gtk_label_new(evname); + + gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label); + } + + gtk_widget_show_all(window); + + perf_gtk__resize_window(window); + + gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER); + + ui_helpline__push(help); + + gtk_main(); + + perf_gtk__deactivate_context(&pgctx); + + return 0; +} diff --git a/kernel/tools/perf/ui/gtk/progress.c b/kernel/tools/perf/ui/gtk/progress.c new file mode 100644 index 000000000..b656655fb --- /dev/null +++ b/kernel/tools/perf/ui/gtk/progress.c @@ -0,0 +1,59 @@ +#include <inttypes.h> + +#include "gtk.h" +#include "../progress.h" +#include "util.h" + +static GtkWidget *dialog; +static GtkWidget *progress; + +static void gtk_ui_progress__update(struct ui_progress *p) +{ + double fraction = p->total ? 1.0 * p->curr / p->total : 0.0; + char buf[1024]; + + if (dialog == NULL) { + GtkWidget *vbox = gtk_vbox_new(TRUE, 5); + GtkWidget *label = gtk_label_new(p->title); + + dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL); + progress = gtk_progress_bar_new(); + + gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, FALSE, 3); + gtk_box_pack_start(GTK_BOX(vbox), progress, TRUE, TRUE, 3); + + gtk_container_add(GTK_CONTAINER(dialog), vbox); + + gtk_window_set_title(GTK_WINDOW(dialog), "perf"); + gtk_window_resize(GTK_WINDOW(dialog), 300, 80); + gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER); + + gtk_widget_show_all(dialog); + } + + gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction); + snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, p->curr, p->total); + gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), buf); + + /* we didn't call gtk_main yet, so do it manually */ + while (gtk_events_pending()) + gtk_main_iteration(); +} + +static void gtk_ui_progress__finish(void) +{ + /* this will also destroy all of its children */ + gtk_widget_destroy(dialog); + + dialog = NULL; +} + +static struct ui_progress_ops gtk_ui_progress__ops = { + .update = gtk_ui_progress__update, + .finish = gtk_ui_progress__finish, +}; + +void gtk_ui_progress__init(void) +{ + ui_progress__ops = >k_ui_progress__ops; +} diff --git a/kernel/tools/perf/ui/gtk/setup.c b/kernel/tools/perf/ui/gtk/setup.c new file mode 100644 index 000000000..1d57676f8 --- /dev/null +++ b/kernel/tools/perf/ui/gtk/setup.c @@ -0,0 +1,23 @@ +#include "gtk.h" +#include "../../util/cache.h" +#include "../../util/debug.h" + +extern struct perf_error_ops perf_gtk_eops; + +int perf_gtk__init(void) +{ + perf_error__register(&perf_gtk_eops); + perf_gtk__init_helpline(); + gtk_ui_progress__init(); + perf_gtk__init_hpp(); + + return gtk_init_check(NULL, NULL) ? 0 : -1; +} + +void perf_gtk__exit(bool wait_for_ok __maybe_unused) +{ + if (!perf_gtk__is_active_context(pgctx)) + return; + perf_error__unregister(&perf_gtk_eops); + gtk_main_quit(); +} diff --git a/kernel/tools/perf/ui/gtk/util.c b/kernel/tools/perf/ui/gtk/util.c new file mode 100644 index 000000000..52e7fc48a --- /dev/null +++ b/kernel/tools/perf/ui/gtk/util.c @@ -0,0 +1,112 @@ +#include "../util.h" +#include "../../util/debug.h" +#include "gtk.h" + +#include <string.h> + + +struct perf_gtk_context *pgctx; + +struct perf_gtk_context *perf_gtk__activate_context(GtkWidget *window) +{ + struct perf_gtk_context *ctx; + + ctx = malloc(sizeof(*pgctx)); + if (ctx) + ctx->main_window = window; + + return ctx; +} + +int perf_gtk__deactivate_context(struct perf_gtk_context **ctx) +{ + if (!perf_gtk__is_active_context(*ctx)) + return -1; + + zfree(ctx); + return 0; +} + +static int perf_gtk__error(const char *format, va_list args) +{ + char *msg; + GtkWidget *dialog; + + if (!perf_gtk__is_active_context(pgctx) || + vasprintf(&msg, format, args) < 0) { + fprintf(stderr, "Error:\n"); + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + return -1; + } + + dialog = gtk_message_dialog_new_with_markup(GTK_WINDOW(pgctx->main_window), + GTK_DIALOG_DESTROY_WITH_PARENT, + GTK_MESSAGE_ERROR, + GTK_BUTTONS_CLOSE, + "<b>Error</b>\n\n%s", msg); + gtk_dialog_run(GTK_DIALOG(dialog)); + + gtk_widget_destroy(dialog); + free(msg); + return 0; +} + +#ifdef HAVE_GTK_INFO_BAR_SUPPORT +static int perf_gtk__warning_info_bar(const char *format, va_list args) +{ + char *msg; + + if (!perf_gtk__is_active_context(pgctx) || + vasprintf(&msg, format, args) < 0) { + fprintf(stderr, "Warning:\n"); + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + return -1; + } + + gtk_label_set_text(GTK_LABEL(pgctx->message_label), msg); + gtk_info_bar_set_message_type(GTK_INFO_BAR(pgctx->info_bar), + GTK_MESSAGE_WARNING); + gtk_widget_show(pgctx->info_bar); + + free(msg); + return 0; +} +#else +static int perf_gtk__warning_statusbar(const char *format, va_list args) +{ + char *msg, *p; + + if (!perf_gtk__is_active_context(pgctx) || + vasprintf(&msg, format, args) < 0) { + fprintf(stderr, "Warning:\n"); + vfprintf(stderr, format, args); + fprintf(stderr, "\n"); + return -1; + } + + gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar), + pgctx->statbar_ctx_id); + + /* Only first line can be displayed */ + p = strchr(msg, '\n'); + if (p) + *p = '\0'; + + gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar), + pgctx->statbar_ctx_id, msg); + + free(msg); + return 0; +} +#endif + +struct perf_error_ops perf_gtk_eops = { + .error = perf_gtk__error, +#ifdef HAVE_GTK_INFO_BAR_SUPPORT + .warning = perf_gtk__warning_info_bar, +#else + .warning = perf_gtk__warning_statusbar, +#endif +}; diff --git a/kernel/tools/perf/ui/helpline.c b/kernel/tools/perf/ui/helpline.c new file mode 100644 index 000000000..700fb3cfa --- /dev/null +++ b/kernel/tools/perf/ui/helpline.c @@ -0,0 +1,73 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../debug.h" +#include "helpline.h" +#include "ui.h" + +char ui_helpline__current[512]; + +static void nop_helpline__pop(void) +{ +} + +static void nop_helpline__push(const char *msg __maybe_unused) +{ +} + +static int nop_helpline__show(const char *fmt __maybe_unused, + va_list ap __maybe_unused) +{ + return 0; +} + +static struct ui_helpline default_helpline_fns = { + .pop = nop_helpline__pop, + .push = nop_helpline__push, + .show = nop_helpline__show, +}; + +struct ui_helpline *helpline_fns = &default_helpline_fns; + +void ui_helpline__pop(void) +{ + helpline_fns->pop(); +} + +void ui_helpline__push(const char *msg) +{ + helpline_fns->push(msg); +} + +void ui_helpline__vpush(const char *fmt, va_list ap) +{ + char *s; + + if (vasprintf(&s, fmt, ap) < 0) + vfprintf(stderr, fmt, ap); + else { + ui_helpline__push(s); + free(s); + } +} + +void ui_helpline__fpush(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + ui_helpline__vpush(fmt, ap); + va_end(ap); +} + +void ui_helpline__puts(const char *msg) +{ + ui_helpline__pop(); + ui_helpline__push(msg); +} + +int ui_helpline__vshow(const char *fmt, va_list ap) +{ + return helpline_fns->show(fmt, ap); +} diff --git a/kernel/tools/perf/ui/helpline.h b/kernel/tools/perf/ui/helpline.h new file mode 100644 index 000000000..46181f4fc --- /dev/null +++ b/kernel/tools/perf/ui/helpline.h @@ -0,0 +1,29 @@ +#ifndef _PERF_UI_HELPLINE_H_ +#define _PERF_UI_HELPLINE_H_ 1 + +#include <stdio.h> +#include <stdarg.h> + +#include "../util/cache.h" + +struct ui_helpline { + void (*pop)(void); + void (*push)(const char *msg); + int (*show)(const char *fmt, va_list ap); +}; + +extern struct ui_helpline *helpline_fns; + +void ui_helpline__init(void); + +void ui_helpline__pop(void); +void ui_helpline__push(const char *msg); +void ui_helpline__vpush(const char *fmt, va_list ap); +void ui_helpline__fpush(const char *fmt, ...); +void ui_helpline__puts(const char *msg); +int ui_helpline__vshow(const char *fmt, va_list ap); + +extern char ui_helpline__current[512]; +extern char ui_helpline__last_msg[]; + +#endif /* _PERF_UI_HELPLINE_H_ */ diff --git a/kernel/tools/perf/ui/hist.c b/kernel/tools/perf/ui/hist.c new file mode 100644 index 000000000..25d608394 --- /dev/null +++ b/kernel/tools/perf/ui/hist.c @@ -0,0 +1,693 @@ +#include <math.h> +#include <linux/compiler.h> + +#include "../util/hist.h" +#include "../util/util.h" +#include "../util/sort.h" +#include "../util/evsel.h" + +/* hist period print (hpp) functions */ + +#define hpp__call_print_fn(hpp, fn, fmt, ...) \ +({ \ + int __ret = fn(hpp, fmt, ##__VA_ARGS__); \ + advance_hpp(hpp, __ret); \ + __ret; \ +}) + +static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, + hpp_field_fn get_field, const char *fmt, int len, + hpp_snprint_fn print_fn, bool fmt_percent) +{ + int ret; + struct hists *hists = he->hists; + struct perf_evsel *evsel = hists_to_evsel(hists); + char *buf = hpp->buf; + size_t size = hpp->size; + + if (fmt_percent) { + double percent = 0.0; + u64 total = hists__total_period(hists); + + if (total) + percent = 100.0 * get_field(he) / total; + + ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent); + } else + ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he)); + + if (perf_evsel__is_group_event(evsel)) { + int prev_idx, idx_delta; + struct hist_entry *pair; + int nr_members = evsel->nr_members; + + prev_idx = perf_evsel__group_idx(evsel); + + list_for_each_entry(pair, &he->pairs.head, pairs.node) { + u64 period = get_field(pair); + u64 total = hists__total_period(pair->hists); + + if (!total) + continue; + + evsel = hists_to_evsel(pair->hists); + idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1; + + while (idx_delta--) { + /* + * zero-fill group members in the middle which + * have no sample + */ + if (fmt_percent) { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, len, 0.0); + } else { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, len, 0ULL); + } + } + + if (fmt_percent) { + ret += hpp__call_print_fn(hpp, print_fn, fmt, len, + 100.0 * period / total); + } else { + ret += hpp__call_print_fn(hpp, print_fn, fmt, + len, period); + } + + prev_idx = perf_evsel__group_idx(evsel); + } + + idx_delta = nr_members - prev_idx - 1; + + while (idx_delta--) { + /* + * zero-fill group members at last which have no sample + */ + if (fmt_percent) { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, len, 0.0); + } else { + ret += hpp__call_print_fn(hpp, print_fn, + fmt, len, 0ULL); + } + } + } + + /* + * Restore original buf and size as it's where caller expects + * the result will be saved. + */ + hpp->buf = buf; + hpp->size = size; + + return ret; +} + +int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct hist_entry *he, hpp_field_fn get_field, + const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent) +{ + int len = fmt->user_len ?: fmt->len; + + if (symbol_conf.field_sep) { + return __hpp__fmt(hpp, he, get_field, fmtstr, 1, + print_fn, fmt_percent); + } + + if (fmt_percent) + len -= 2; /* 2 for a space and a % sign */ + else + len -= 1; + + return __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent); +} + +int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct hist_entry *he, hpp_field_fn get_field, + const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent) +{ + if (!symbol_conf.cumulate_callchain) { + int len = fmt->user_len ?: fmt->len; + return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A"); + } + + return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent); +} + +static int field_cmp(u64 field_a, u64 field_b) +{ + if (field_a > field_b) + return 1; + if (field_a < field_b) + return -1; + return 0; +} + +static int __hpp__sort(struct hist_entry *a, struct hist_entry *b, + hpp_field_fn get_field) +{ + s64 ret; + int i, nr_members; + struct perf_evsel *evsel; + struct hist_entry *pair; + u64 *fields_a, *fields_b; + + ret = field_cmp(get_field(a), get_field(b)); + if (ret || !symbol_conf.event_group) + return ret; + + evsel = hists_to_evsel(a->hists); + if (!perf_evsel__is_group_event(evsel)) + return ret; + + nr_members = evsel->nr_members; + fields_a = calloc(nr_members, sizeof(*fields_a)); + fields_b = calloc(nr_members, sizeof(*fields_b)); + + if (!fields_a || !fields_b) + goto out; + + list_for_each_entry(pair, &a->pairs.head, pairs.node) { + evsel = hists_to_evsel(pair->hists); + fields_a[perf_evsel__group_idx(evsel)] = get_field(pair); + } + + list_for_each_entry(pair, &b->pairs.head, pairs.node) { + evsel = hists_to_evsel(pair->hists); + fields_b[perf_evsel__group_idx(evsel)] = get_field(pair); + } + + for (i = 1; i < nr_members; i++) { + ret = field_cmp(fields_a[i], fields_b[i]); + if (ret) + break; + } + +out: + free(fields_a); + free(fields_b); + + return ret; +} + +static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b, + hpp_field_fn get_field) +{ + s64 ret = 0; + + if (symbol_conf.cumulate_callchain) { + /* + * Put caller above callee when they have equal period. + */ + ret = field_cmp(get_field(a), get_field(b)); + if (ret) + return ret; + + if (a->thread != b->thread || !symbol_conf.use_callchain) + return 0; + + ret = b->callchain->max_depth - a->callchain->max_depth; + } + return ret; +} + +static int hpp__width_fn(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp __maybe_unused, + struct perf_evsel *evsel) +{ + int len = fmt->user_len ?: fmt->len; + + if (symbol_conf.event_group) + len = max(len, evsel->nr_members * fmt->len); + + if (len < (int)strlen(fmt->name)) + len = strlen(fmt->name); + + return len; +} + +static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct perf_evsel *evsel) +{ + int len = hpp__width_fn(fmt, hpp, evsel); + return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name); +} + +static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...) +{ + va_list args; + ssize_t ssize = hpp->size; + double percent; + int ret, len; + + va_start(args, fmt); + len = va_arg(args, int); + percent = va_arg(args, double); + ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent); + va_end(args); + + return (ret >= ssize) ? (ssize - 1) : ret; +} + +static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...) +{ + va_list args; + ssize_t ssize = hpp->size; + int ret; + + va_start(args, fmt); + ret = vsnprintf(hpp->buf, hpp->size, fmt, args); + va_end(args); + + return (ret >= ssize) ? (ssize - 1) : ret; +} + +#define __HPP_COLOR_PERCENT_FN(_type, _field) \ +static u64 he_get_##_field(struct hist_entry *he) \ +{ \ + return he->stat._field; \ +} \ + \ +static int hpp__color_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, struct hist_entry *he) \ +{ \ + return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \ + hpp_color_scnprintf, true); \ +} + +#define __HPP_ENTRY_PERCENT_FN(_type, _field) \ +static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, struct hist_entry *he) \ +{ \ + return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \ + hpp_entry_scnprintf, true); \ +} + +#define __HPP_SORT_FN(_type, _field) \ +static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct hist_entry *a, struct hist_entry *b) \ +{ \ + return __hpp__sort(a, b, he_get_##_field); \ +} + +#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +static u64 he_get_acc_##_field(struct hist_entry *he) \ +{ \ + return he->stat_acc->_field; \ +} \ + \ +static int hpp__color_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, struct hist_entry *he) \ +{ \ + return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \ + hpp_color_scnprintf, true); \ +} + +#define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \ +static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, struct hist_entry *he) \ +{ \ + return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \ + hpp_entry_scnprintf, true); \ +} + +#define __HPP_SORT_ACC_FN(_type, _field) \ +static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct hist_entry *a, struct hist_entry *b) \ +{ \ + return __hpp__sort_acc(a, b, he_get_acc_##_field); \ +} + +#define __HPP_ENTRY_RAW_FN(_type, _field) \ +static u64 he_get_raw_##_field(struct hist_entry *he) \ +{ \ + return he->stat._field; \ +} \ + \ +static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \ + struct perf_hpp *hpp, struct hist_entry *he) \ +{ \ + return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64, \ + hpp_entry_scnprintf, false); \ +} + +#define __HPP_SORT_RAW_FN(_type, _field) \ +static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct hist_entry *a, struct hist_entry *b) \ +{ \ + return __hpp__sort(a, b, he_get_raw_##_field); \ +} + + +#define HPP_PERCENT_FNS(_type, _field) \ +__HPP_COLOR_PERCENT_FN(_type, _field) \ +__HPP_ENTRY_PERCENT_FN(_type, _field) \ +__HPP_SORT_FN(_type, _field) + +#define HPP_PERCENT_ACC_FNS(_type, _field) \ +__HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ +__HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \ +__HPP_SORT_ACC_FN(_type, _field) + +#define HPP_RAW_FNS(_type, _field) \ +__HPP_ENTRY_RAW_FN(_type, _field) \ +__HPP_SORT_RAW_FN(_type, _field) + +HPP_PERCENT_FNS(overhead, period) +HPP_PERCENT_FNS(overhead_sys, period_sys) +HPP_PERCENT_FNS(overhead_us, period_us) +HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys) +HPP_PERCENT_FNS(overhead_guest_us, period_guest_us) +HPP_PERCENT_ACC_FNS(overhead_acc, period) + +HPP_RAW_FNS(samples, nr_events) +HPP_RAW_FNS(period, period) + +static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused, + struct hist_entry *a __maybe_unused, + struct hist_entry *b __maybe_unused) +{ + return 0; +} + +#define HPP__COLOR_PRINT_FNS(_name, _fn) \ + { \ + .name = _name, \ + .header = hpp__header_fn, \ + .width = hpp__width_fn, \ + .color = hpp__color_ ## _fn, \ + .entry = hpp__entry_ ## _fn, \ + .cmp = hpp__nop_cmp, \ + .collapse = hpp__nop_cmp, \ + .sort = hpp__sort_ ## _fn, \ + } + +#define HPP__COLOR_ACC_PRINT_FNS(_name, _fn) \ + { \ + .name = _name, \ + .header = hpp__header_fn, \ + .width = hpp__width_fn, \ + .color = hpp__color_ ## _fn, \ + .entry = hpp__entry_ ## _fn, \ + .cmp = hpp__nop_cmp, \ + .collapse = hpp__nop_cmp, \ + .sort = hpp__sort_ ## _fn, \ + } + +#define HPP__PRINT_FNS(_name, _fn) \ + { \ + .name = _name, \ + .header = hpp__header_fn, \ + .width = hpp__width_fn, \ + .entry = hpp__entry_ ## _fn, \ + .cmp = hpp__nop_cmp, \ + .collapse = hpp__nop_cmp, \ + .sort = hpp__sort_ ## _fn, \ + } + +struct perf_hpp_fmt perf_hpp__format[] = { + HPP__COLOR_PRINT_FNS("Overhead", overhead), + HPP__COLOR_PRINT_FNS("sys", overhead_sys), + HPP__COLOR_PRINT_FNS("usr", overhead_us), + HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys), + HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us), + HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc), + HPP__PRINT_FNS("Samples", samples), + HPP__PRINT_FNS("Period", period) +}; + +LIST_HEAD(perf_hpp__list); +LIST_HEAD(perf_hpp__sort_list); + + +#undef HPP__COLOR_PRINT_FNS +#undef HPP__COLOR_ACC_PRINT_FNS +#undef HPP__PRINT_FNS + +#undef HPP_PERCENT_FNS +#undef HPP_PERCENT_ACC_FNS +#undef HPP_RAW_FNS + +#undef __HPP_HEADER_FN +#undef __HPP_WIDTH_FN +#undef __HPP_COLOR_PERCENT_FN +#undef __HPP_ENTRY_PERCENT_FN +#undef __HPP_COLOR_ACC_PERCENT_FN +#undef __HPP_ENTRY_ACC_PERCENT_FN +#undef __HPP_ENTRY_RAW_FN +#undef __HPP_SORT_FN +#undef __HPP_SORT_ACC_FN +#undef __HPP_SORT_RAW_FN + + +void perf_hpp__init(void) +{ + struct list_head *list; + int i; + + for (i = 0; i < PERF_HPP__MAX_INDEX; i++) { + struct perf_hpp_fmt *fmt = &perf_hpp__format[i]; + + INIT_LIST_HEAD(&fmt->list); + + /* sort_list may be linked by setup_sorting() */ + if (fmt->sort_list.next == NULL) + INIT_LIST_HEAD(&fmt->sort_list); + } + + /* + * If user specified field order, no need to setup default fields. + */ + if (is_strict_order(field_order)) + return; + + if (symbol_conf.cumulate_callchain) { + perf_hpp__column_enable(PERF_HPP__OVERHEAD_ACC); + perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self"; + } + + perf_hpp__column_enable(PERF_HPP__OVERHEAD); + + if (symbol_conf.show_cpu_utilization) { + perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS); + perf_hpp__column_enable(PERF_HPP__OVERHEAD_US); + + if (perf_guest) { + perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS); + perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US); + } + } + + if (symbol_conf.show_nr_samples) + perf_hpp__column_enable(PERF_HPP__SAMPLES); + + if (symbol_conf.show_total_period) + perf_hpp__column_enable(PERF_HPP__PERIOD); + + /* prepend overhead field for backward compatiblity. */ + list = &perf_hpp__format[PERF_HPP__OVERHEAD].sort_list; + if (list_empty(list)) + list_add(list, &perf_hpp__sort_list); + + if (symbol_conf.cumulate_callchain) { + list = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC].sort_list; + if (list_empty(list)) + list_add(list, &perf_hpp__sort_list); + } +} + +void perf_hpp__column_register(struct perf_hpp_fmt *format) +{ + list_add_tail(&format->list, &perf_hpp__list); +} + +void perf_hpp__column_unregister(struct perf_hpp_fmt *format) +{ + list_del(&format->list); +} + +void perf_hpp__register_sort_field(struct perf_hpp_fmt *format) +{ + list_add_tail(&format->sort_list, &perf_hpp__sort_list); +} + +void perf_hpp__column_enable(unsigned col) +{ + BUG_ON(col >= PERF_HPP__MAX_INDEX); + perf_hpp__column_register(&perf_hpp__format[col]); +} + +void perf_hpp__column_disable(unsigned col) +{ + BUG_ON(col >= PERF_HPP__MAX_INDEX); + perf_hpp__column_unregister(&perf_hpp__format[col]); +} + +void perf_hpp__cancel_cumulate(void) +{ + if (is_strict_order(field_order)) + return; + + perf_hpp__column_disable(PERF_HPP__OVERHEAD_ACC); + perf_hpp__format[PERF_HPP__OVERHEAD].name = "Overhead"; +} + +void perf_hpp__setup_output_field(void) +{ + struct perf_hpp_fmt *fmt; + + /* append sort keys to output field */ + perf_hpp__for_each_sort_list(fmt) { + if (!list_empty(&fmt->list)) + continue; + + /* + * sort entry fields are dynamically created, + * so they can share a same sort key even though + * the list is empty. + */ + if (perf_hpp__is_sort_entry(fmt)) { + struct perf_hpp_fmt *pos; + + perf_hpp__for_each_format(pos) { + if (perf_hpp__same_sort_entry(pos, fmt)) + goto next; + } + } + + perf_hpp__column_register(fmt); +next: + continue; + } +} + +void perf_hpp__append_sort_keys(void) +{ + struct perf_hpp_fmt *fmt; + + /* append output fields to sort keys */ + perf_hpp__for_each_format(fmt) { + if (!list_empty(&fmt->sort_list)) + continue; + + /* + * sort entry fields are dynamically created, + * so they can share a same sort key even though + * the list is empty. + */ + if (perf_hpp__is_sort_entry(fmt)) { + struct perf_hpp_fmt *pos; + + perf_hpp__for_each_sort_list(pos) { + if (perf_hpp__same_sort_entry(pos, fmt)) + goto next; + } + } + + perf_hpp__register_sort_field(fmt); +next: + continue; + } +} + +void perf_hpp__reset_output_field(void) +{ + struct perf_hpp_fmt *fmt, *tmp; + + /* reset output fields */ + perf_hpp__for_each_format_safe(fmt, tmp) { + list_del_init(&fmt->list); + list_del_init(&fmt->sort_list); + } + + /* reset sort keys */ + perf_hpp__for_each_sort_list_safe(fmt, tmp) { + list_del_init(&fmt->list); + list_del_init(&fmt->sort_list); + } +} + +/* + * See hists__fprintf to match the column widths + */ +unsigned int hists__sort_list_width(struct hists *hists) +{ + struct perf_hpp_fmt *fmt; + int ret = 0; + bool first = true; + struct perf_hpp dummy_hpp; + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + if (first) + first = false; + else + ret += 2; + + ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); + } + + if (verbose && sort__has_sym) /* Addr + origin */ + ret += 3 + BITS_PER_LONG / 4; + + return ret; +} + +void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists) +{ + int idx; + + if (perf_hpp__is_sort_entry(fmt)) + return perf_hpp__reset_sort_width(fmt, hists); + + for (idx = 0; idx < PERF_HPP__MAX_INDEX; idx++) { + if (fmt == &perf_hpp__format[idx]) + break; + } + + if (idx == PERF_HPP__MAX_INDEX) + return; + + switch (idx) { + case PERF_HPP__OVERHEAD: + case PERF_HPP__OVERHEAD_SYS: + case PERF_HPP__OVERHEAD_US: + case PERF_HPP__OVERHEAD_ACC: + fmt->len = 8; + break; + + case PERF_HPP__OVERHEAD_GUEST_SYS: + case PERF_HPP__OVERHEAD_GUEST_US: + fmt->len = 9; + break; + + case PERF_HPP__SAMPLES: + case PERF_HPP__PERIOD: + fmt->len = 12; + break; + + default: + break; + } +} + +void perf_hpp__set_user_width(const char *width_list_str) +{ + struct perf_hpp_fmt *fmt; + const char *ptr = width_list_str; + + perf_hpp__for_each_format(fmt) { + char *p; + + int len = strtol(ptr, &p, 10); + fmt->user_len = len; + + if (*p == ',') + ptr = p + 1; + else + break; + } +} diff --git a/kernel/tools/perf/ui/keysyms.h b/kernel/tools/perf/ui/keysyms.h new file mode 100644 index 000000000..65092d576 --- /dev/null +++ b/kernel/tools/perf/ui/keysyms.h @@ -0,0 +1,28 @@ +#ifndef _PERF_KEYSYMS_H_ +#define _PERF_KEYSYMS_H_ 1 + +#include "libslang.h" + +#define K_DOWN SL_KEY_DOWN +#define K_END SL_KEY_END +#define K_ENTER '\r' +#define K_ESC 033 +#define K_F1 SL_KEY_F(1) +#define K_HOME SL_KEY_HOME +#define K_LEFT SL_KEY_LEFT +#define K_PGDN SL_KEY_NPAGE +#define K_PGUP SL_KEY_PPAGE +#define K_RIGHT SL_KEY_RIGHT +#define K_TAB '\t' +#define K_UNTAB SL_KEY_UNTAB +#define K_UP SL_KEY_UP +#define K_BKSPC 0x7f +#define K_DEL SL_KEY_DELETE + +/* Not really keys */ +#define K_TIMER -1 +#define K_ERROR -2 +#define K_RESIZE -3 +#define K_SWITCH_INPUT_DATA -4 + +#endif /* _PERF_KEYSYMS_H_ */ diff --git a/kernel/tools/perf/ui/libslang.h b/kernel/tools/perf/ui/libslang.h new file mode 100644 index 000000000..4d54b6450 --- /dev/null +++ b/kernel/tools/perf/ui/libslang.h @@ -0,0 +1,29 @@ +#ifndef _PERF_UI_SLANG_H_ +#define _PERF_UI_SLANG_H_ 1 +/* + * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks + * the build if it isn't defined. Use the equivalent one that glibc + * has on features.h. + */ +#include <features.h> +#ifndef HAVE_LONG_LONG +#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG +#endif +#include <slang.h> + +#if SLANG_VERSION < 20104 +#define slsmg_printf(msg, args...) \ + SLsmg_printf((char *)(msg), ##args) +#define slsmg_write_nstring(msg, len) \ + SLsmg_write_nstring((char *)(msg), len) +#define sltt_set_color(obj, name, fg, bg) \ + SLtt_set_color(obj,(char *)(name), (char *)(fg), (char *)(bg)) +#else +#define slsmg_printf SLsmg_printf +#define slsmg_write_nstring SLsmg_write_nstring +#define sltt_set_color SLtt_set_color +#endif + +#define SL_KEY_UNTAB 0x1000 + +#endif /* _PERF_UI_SLANG_H_ */ diff --git a/kernel/tools/perf/ui/progress.c b/kernel/tools/perf/ui/progress.c new file mode 100644 index 000000000..a0f24c711 --- /dev/null +++ b/kernel/tools/perf/ui/progress.c @@ -0,0 +1,38 @@ +#include "../cache.h" +#include "progress.h" + +static void null_progress__update(struct ui_progress *p __maybe_unused) +{ +} + +static struct ui_progress_ops null_progress__ops = +{ + .update = null_progress__update, +}; + +struct ui_progress_ops *ui_progress__ops = &null_progress__ops; + +void ui_progress__update(struct ui_progress *p, u64 adv) +{ + p->curr += adv; + + if (p->curr >= p->next) { + p->next += p->step; + ui_progress__ops->update(p); + } +} + +void ui_progress__init(struct ui_progress *p, u64 total, const char *title) +{ + p->curr = 0; + p->next = p->step = total / 16; + p->total = total; + p->title = title; + +} + +void ui_progress__finish(void) +{ + if (ui_progress__ops->finish) + ui_progress__ops->finish(); +} diff --git a/kernel/tools/perf/ui/progress.h b/kernel/tools/perf/ui/progress.h new file mode 100644 index 000000000..717d39d30 --- /dev/null +++ b/kernel/tools/perf/ui/progress.h @@ -0,0 +1,23 @@ +#ifndef _PERF_UI_PROGRESS_H_ +#define _PERF_UI_PROGRESS_H_ 1 + +#include <linux/types.h> + +void ui_progress__finish(void); + +struct ui_progress { + const char *title; + u64 curr, next, step, total; +}; + +void ui_progress__init(struct ui_progress *p, u64 total, const char *title); +void ui_progress__update(struct ui_progress *p, u64 adv); + +struct ui_progress_ops { + void (*update)(struct ui_progress *p); + void (*finish)(void); +}; + +extern struct ui_progress_ops *ui_progress__ops; + +#endif diff --git a/kernel/tools/perf/ui/setup.c b/kernel/tools/perf/ui/setup.c new file mode 100644 index 000000000..ba51fa8a1 --- /dev/null +++ b/kernel/tools/perf/ui/setup.c @@ -0,0 +1,107 @@ +#include <pthread.h> +#include <dlfcn.h> + +#include "../util/cache.h" +#include "../util/debug.h" +#include "../util/hist.h" + +pthread_mutex_t ui__lock = PTHREAD_MUTEX_INITIALIZER; +void *perf_gtk_handle; + +#ifdef HAVE_GTK2_SUPPORT +static int setup_gtk_browser(void) +{ + int (*perf_ui_init)(void); + + if (perf_gtk_handle) + return 0; + + perf_gtk_handle = dlopen(PERF_GTK_DSO, RTLD_LAZY); + if (perf_gtk_handle == NULL) { + char buf[PATH_MAX]; + scnprintf(buf, sizeof(buf), "%s/%s", LIBDIR, PERF_GTK_DSO); + perf_gtk_handle = dlopen(buf, RTLD_LAZY); + } + if (perf_gtk_handle == NULL) + return -1; + + perf_ui_init = dlsym(perf_gtk_handle, "perf_gtk__init"); + if (perf_ui_init == NULL) + goto out_close; + + if (perf_ui_init() == 0) + return 0; + +out_close: + dlclose(perf_gtk_handle); + return -1; +} + +static void exit_gtk_browser(bool wait_for_ok) +{ + void (*perf_ui_exit)(bool); + + if (perf_gtk_handle == NULL) + return; + + perf_ui_exit = dlsym(perf_gtk_handle, "perf_gtk__exit"); + if (perf_ui_exit == NULL) + goto out_close; + + perf_ui_exit(wait_for_ok); + +out_close: + dlclose(perf_gtk_handle); + + perf_gtk_handle = NULL; +} +#else +static inline int setup_gtk_browser(void) { return -1; } +static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {} +#endif + +void setup_browser(bool fallback_to_pager) +{ + if (use_browser < 2 && (!isatty(1) || dump_trace)) + use_browser = 0; + + /* default to TUI */ + if (use_browser < 0) + use_browser = 1; + + switch (use_browser) { + case 2: + if (setup_gtk_browser() == 0) + break; + printf("GTK browser requested but could not find %s\n", + PERF_GTK_DSO); + sleep(1); + /* fall through */ + case 1: + use_browser = 1; + if (ui__init() == 0) + break; + /* fall through */ + default: + use_browser = 0; + if (fallback_to_pager) + setup_pager(); + break; + } +} + +void exit_browser(bool wait_for_ok) +{ + switch (use_browser) { + case 2: + exit_gtk_browser(wait_for_ok); + break; + + case 1: + ui__exit(wait_for_ok); + break; + + default: + break; + } +} diff --git a/kernel/tools/perf/ui/stdio/hist.c b/kernel/tools/perf/ui/stdio/hist.c new file mode 100644 index 000000000..dfcbc9014 --- /dev/null +++ b/kernel/tools/perf/ui/stdio/hist.c @@ -0,0 +1,511 @@ +#include <stdio.h> + +#include "../../util/util.h" +#include "../../util/hist.h" +#include "../../util/sort.h" +#include "../../util/evsel.h" + + +static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin) +{ + int i; + int ret = fprintf(fp, " "); + + for (i = 0; i < left_margin; i++) + ret += fprintf(fp, " "); + + return ret; +} + +static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask, + int left_margin) +{ + int i; + size_t ret = callchain__fprintf_left_margin(fp, left_margin); + + for (i = 0; i < depth; i++) + if (depth_mask & (1 << i)) + ret += fprintf(fp, "| "); + else + ret += fprintf(fp, " "); + + ret += fprintf(fp, "\n"); + + return ret; +} + +static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, + int depth, int depth_mask, int period, + u64 total_samples, u64 hits, + int left_margin) +{ + int i; + size_t ret = 0; + char bf[1024]; + + ret += callchain__fprintf_left_margin(fp, left_margin); + for (i = 0; i < depth; i++) { + if (depth_mask & (1 << i)) + ret += fprintf(fp, "|"); + else + ret += fprintf(fp, " "); + if (!period && i == depth - 1) { + double percent; + + percent = hits * 100.0 / total_samples; + ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent); + } else + ret += fprintf(fp, "%s", " "); + } + fputs(callchain_list__sym_name(chain, bf, sizeof(bf), false), fp); + fputc('\n', fp); + return ret; +} + +static struct symbol *rem_sq_bracket; +static struct callchain_list rem_hits; + +static void init_rem_hits(void) +{ + rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6); + if (!rem_sq_bracket) { + fprintf(stderr, "Not enough memory to display remaining hits\n"); + return; + } + + strcpy(rem_sq_bracket->name, "[...]"); + rem_hits.ms.sym = rem_sq_bracket; +} + +static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root, + u64 total_samples, int depth, + int depth_mask, int left_margin) +{ + struct rb_node *node, *next; + struct callchain_node *child; + struct callchain_list *chain; + int new_depth_mask = depth_mask; + u64 remaining; + size_t ret = 0; + int i; + uint entries_printed = 0; + + remaining = total_samples; + + node = rb_first(root); + while (node) { + u64 new_total; + u64 cumul; + + child = rb_entry(node, struct callchain_node, rb_node); + cumul = callchain_cumul_hits(child); + remaining -= cumul; + + /* + * The depth mask manages the output of pipes that show + * the depth. We don't want to keep the pipes of the current + * level for the last child of this depth. + * Except if we have remaining filtered hits. They will + * supersede the last child + */ + next = rb_next(node); + if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining)) + new_depth_mask &= ~(1 << (depth - 1)); + + /* + * But we keep the older depth mask for the line separator + * to keep the level link until we reach the last child + */ + ret += ipchain__fprintf_graph_line(fp, depth, depth_mask, + left_margin); + i = 0; + list_for_each_entry(chain, &child->val, list) { + ret += ipchain__fprintf_graph(fp, chain, depth, + new_depth_mask, i++, + total_samples, + cumul, + left_margin); + } + + if (callchain_param.mode == CHAIN_GRAPH_REL) + new_total = child->children_hit; + else + new_total = total_samples; + + ret += __callchain__fprintf_graph(fp, &child->rb_root, new_total, + depth + 1, + new_depth_mask | (1 << depth), + left_margin); + node = next; + if (++entries_printed == callchain_param.print_limit) + break; + } + + if (callchain_param.mode == CHAIN_GRAPH_REL && + remaining && remaining != total_samples) { + + if (!rem_sq_bracket) + return ret; + + new_depth_mask &= ~(1 << (depth - 1)); + ret += ipchain__fprintf_graph(fp, &rem_hits, depth, + new_depth_mask, 0, total_samples, + remaining, left_margin); + } + + return ret; +} + +static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root, + u64 total_samples, int left_margin) +{ + struct callchain_node *cnode; + struct callchain_list *chain; + u32 entries_printed = 0; + bool printed = false; + struct rb_node *node; + int i = 0; + int ret = 0; + char bf[1024]; + + /* + * If have one single callchain root, don't bother printing + * its percentage (100 % in fractal mode and the same percentage + * than the hist in graph mode). This also avoid one level of column. + */ + node = rb_first(root); + if (node && !rb_next(node)) { + cnode = rb_entry(node, struct callchain_node, rb_node); + list_for_each_entry(chain, &cnode->val, list) { + /* + * If we sort by symbol, the first entry is the same than + * the symbol. No need to print it otherwise it appears as + * displayed twice. + */ + if (!i++ && field_order == NULL && + sort_order && !prefixcmp(sort_order, "sym")) + continue; + if (!printed) { + ret += callchain__fprintf_left_margin(fp, left_margin); + ret += fprintf(fp, "|\n"); + ret += callchain__fprintf_left_margin(fp, left_margin); + ret += fprintf(fp, "---"); + left_margin += 3; + printed = true; + } else + ret += callchain__fprintf_left_margin(fp, left_margin); + + ret += fprintf(fp, "%s\n", callchain_list__sym_name(chain, bf, sizeof(bf), + false)); + + if (++entries_printed == callchain_param.print_limit) + break; + } + root = &cnode->rb_root; + } + + ret += __callchain__fprintf_graph(fp, root, total_samples, + 1, 1, left_margin); + ret += fprintf(fp, "\n"); + + return ret; +} + +static size_t __callchain__fprintf_flat(FILE *fp, struct callchain_node *node, + u64 total_samples) +{ + struct callchain_list *chain; + size_t ret = 0; + char bf[1024]; + + if (!node) + return 0; + + ret += __callchain__fprintf_flat(fp, node->parent, total_samples); + + + list_for_each_entry(chain, &node->val, list) { + if (chain->ip >= PERF_CONTEXT_MAX) + continue; + ret += fprintf(fp, " %s\n", callchain_list__sym_name(chain, + bf, sizeof(bf), false)); + } + + return ret; +} + +static size_t callchain__fprintf_flat(FILE *fp, struct rb_root *tree, + u64 total_samples) +{ + size_t ret = 0; + u32 entries_printed = 0; + struct callchain_node *chain; + struct rb_node *rb_node = rb_first(tree); + + while (rb_node) { + double percent; + + chain = rb_entry(rb_node, struct callchain_node, rb_node); + percent = chain->hit * 100.0 / total_samples; + + ret = percent_color_fprintf(fp, " %6.2f%%\n", percent); + ret += __callchain__fprintf_flat(fp, chain, total_samples); + ret += fprintf(fp, "\n"); + if (++entries_printed == callchain_param.print_limit) + break; + + rb_node = rb_next(rb_node); + } + + return ret; +} + +static size_t hist_entry_callchain__fprintf(struct hist_entry *he, + u64 total_samples, int left_margin, + FILE *fp) +{ + switch (callchain_param.mode) { + case CHAIN_GRAPH_REL: + return callchain__fprintf_graph(fp, &he->sorted_chain, + symbol_conf.cumulate_callchain ? + he->stat_acc->period : he->stat.period, + left_margin); + break; + case CHAIN_GRAPH_ABS: + return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples, + left_margin); + break; + case CHAIN_FLAT: + return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples); + break; + case CHAIN_NONE: + break; + default: + pr_err("Bad callchain mode\n"); + } + + return 0; +} + +static size_t hist_entry__callchain_fprintf(struct hist_entry *he, + struct hists *hists, + FILE *fp) +{ + int left_margin = 0; + u64 total_period = hists->stats.total_period; + + if (field_order == NULL && (sort_order == NULL || + !prefixcmp(sort_order, "comm"))) { + struct perf_hpp_fmt *fmt; + + perf_hpp__for_each_format(fmt) { + if (!perf_hpp__is_sort_entry(fmt)) + continue; + + /* must be 'comm' sort entry */ + left_margin = fmt->width(fmt, NULL, hists_to_evsel(hists)); + left_margin -= thread__comm_len(he->thread); + break; + } + } + return hist_entry_callchain__fprintf(he, total_period, left_margin, fp); +} + +static int hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp) +{ + const char *sep = symbol_conf.field_sep; + struct perf_hpp_fmt *fmt; + char *start = hpp->buf; + int ret; + bool first = true; + + if (symbol_conf.exclude_other && !he->parent) + return 0; + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + /* + * If there's no field_sep, we still need + * to display initial ' '. + */ + if (!sep || !first) { + ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: " "); + advance_hpp(hpp, ret); + } else + first = false; + + if (perf_hpp__use_color() && fmt->color) + ret = fmt->color(fmt, hpp, he); + else + ret = fmt->entry(fmt, hpp, he); + + advance_hpp(hpp, ret); + } + + return hpp->buf - start; +} + +static int hist_entry__fprintf(struct hist_entry *he, size_t size, + struct hists *hists, + char *bf, size_t bfsz, FILE *fp) +{ + int ret; + struct perf_hpp hpp = { + .buf = bf, + .size = size, + }; + + if (size == 0 || size > bfsz) + size = hpp.size = bfsz; + + hist_entry__snprintf(he, &hpp); + + ret = fprintf(fp, "%s\n", bf); + + if (symbol_conf.use_callchain) + ret += hist_entry__callchain_fprintf(he, hists, fp); + + return ret; +} + +size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, + int max_cols, float min_pcnt, FILE *fp) +{ + struct perf_hpp_fmt *fmt; + struct rb_node *nd; + size_t ret = 0; + unsigned int width; + const char *sep = symbol_conf.field_sep; + int nr_rows = 0; + char bf[96]; + struct perf_hpp dummy_hpp = { + .buf = bf, + .size = sizeof(bf), + }; + bool first = true; + size_t linesz; + char *line = NULL; + + init_rem_hits(); + + perf_hpp__for_each_format(fmt) + perf_hpp__reset_width(fmt, hists); + + if (symbol_conf.col_width_list_str) + perf_hpp__set_user_width(symbol_conf.col_width_list_str); + + if (!show_header) + goto print_entries; + + fprintf(fp, "# "); + + perf_hpp__for_each_format(fmt) { + if (perf_hpp__should_skip(fmt)) + continue; + + if (!first) + fprintf(fp, "%s", sep ?: " "); + else + first = false; + + fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); + fprintf(fp, "%s", bf); + } + + fprintf(fp, "\n"); + if (max_rows && ++nr_rows >= max_rows) + goto out; + + if (sep) + goto print_entries; + + first = true; + + fprintf(fp, "# "); + + perf_hpp__for_each_format(fmt) { + unsigned int i; + + if (perf_hpp__should_skip(fmt)) + continue; + + if (!first) + fprintf(fp, "%s", sep ?: " "); + else + first = false; + + width = fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); + for (i = 0; i < width; i++) + fprintf(fp, "."); + } + + fprintf(fp, "\n"); + if (max_rows && ++nr_rows >= max_rows) + goto out; + + fprintf(fp, "#\n"); + if (max_rows && ++nr_rows >= max_rows) + goto out; + +print_entries: + linesz = hists__sort_list_width(hists) + 3 + 1; + linesz += perf_hpp__color_overhead(); + line = malloc(linesz); + if (line == NULL) { + ret = -1; + goto out; + } + + for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + float percent; + + if (h->filtered) + continue; + + percent = hist_entry__get_percent_limit(h); + if (percent < min_pcnt) + continue; + + ret += hist_entry__fprintf(h, max_cols, hists, line, linesz, fp); + + if (max_rows && ++nr_rows >= max_rows) + break; + + if (h->ms.map == NULL && verbose > 1) { + __map_groups__fprintf_maps(h->thread->mg, + MAP__FUNCTION, fp); + fprintf(fp, "%.10s end\n", graph_dotted_line); + } + } + + free(line); +out: + zfree(&rem_sq_bracket); + + return ret; +} + +size_t events_stats__fprintf(struct events_stats *stats, FILE *fp) +{ + int i; + size_t ret = 0; + + for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) { + const char *name; + + if (stats->nr_events[i] == 0) + continue; + + name = perf_event__name(i); + if (!strcmp(name, "UNKNOWN")) + continue; + + ret += fprintf(fp, "%16s events: %10d\n", name, + stats->nr_events[i]); + } + + return ret; +} diff --git a/kernel/tools/perf/ui/tui/Build b/kernel/tools/perf/ui/tui/Build new file mode 100644 index 000000000..9e4c6ca41 --- /dev/null +++ b/kernel/tools/perf/ui/tui/Build @@ -0,0 +1,4 @@ +libperf-y += setup.o +libperf-y += util.o +libperf-y += helpline.o +libperf-y += progress.o diff --git a/kernel/tools/perf/ui/tui/helpline.c b/kernel/tools/perf/ui/tui/helpline.c new file mode 100644 index 000000000..88f5143a5 --- /dev/null +++ b/kernel/tools/perf/ui/tui/helpline.c @@ -0,0 +1,61 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pthread.h> + +#include "../../util/debug.h" +#include "../helpline.h" +#include "../ui.h" +#include "../libslang.h" + +char ui_helpline__last_msg[1024]; +bool tui_helpline__set; + +static void tui_helpline__pop(void) +{ +} + +static void tui_helpline__push(const char *msg) +{ + const size_t sz = sizeof(ui_helpline__current); + + SLsmg_gotorc(SLtt_Screen_Rows - 1, 0); + SLsmg_set_color(0); + SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols); + SLsmg_refresh(); + strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0'; +} + +static int tui_helpline__show(const char *format, va_list ap) +{ + int ret; + static int backlog; + + pthread_mutex_lock(&ui__lock); + ret = vscnprintf(ui_helpline__last_msg + backlog, + sizeof(ui_helpline__last_msg) - backlog, format, ap); + backlog += ret; + + tui_helpline__set = true; + + if (ui_helpline__last_msg[backlog - 1] == '\n') { + ui_helpline__puts(ui_helpline__last_msg); + SLsmg_refresh(); + backlog = 0; + } + pthread_mutex_unlock(&ui__lock); + + return ret; +} + +struct ui_helpline tui_helpline_fns = { + .pop = tui_helpline__pop, + .push = tui_helpline__push, + .show = tui_helpline__show, +}; + +void ui_helpline__init(void) +{ + helpline_fns = &tui_helpline_fns; + ui_helpline__puts(" "); +} diff --git a/kernel/tools/perf/ui/tui/progress.c b/kernel/tools/perf/ui/tui/progress.c new file mode 100644 index 000000000..c61d14b10 --- /dev/null +++ b/kernel/tools/perf/ui/tui/progress.c @@ -0,0 +1,44 @@ +#include "../cache.h" +#include "../progress.h" +#include "../libslang.h" +#include "../ui.h" +#include "tui.h" +#include "../browser.h" + +static void tui_progress__update(struct ui_progress *p) +{ + int bar, y; + /* + * FIXME: We should have a per UI backend way of showing progress, + * stdio will just show a percentage as NN%, etc. + */ + if (use_browser <= 0) + return; + + if (p->total == 0) + return; + + ui__refresh_dimensions(false); + pthread_mutex_lock(&ui__lock); + y = SLtt_Screen_Rows / 2 - 2; + SLsmg_set_color(0); + SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols); + SLsmg_gotorc(y++, 1); + SLsmg_write_string((char *)p->title); + SLsmg_fill_region(y, 1, 1, SLtt_Screen_Cols - 2, ' '); + SLsmg_set_color(HE_COLORSET_SELECTED); + bar = ((SLtt_Screen_Cols - 2) * p->curr) / p->total; + SLsmg_fill_region(y, 1, 1, bar, ' '); + SLsmg_refresh(); + pthread_mutex_unlock(&ui__lock); +} + +static struct ui_progress_ops tui_progress__ops = +{ + .update = tui_progress__update, +}; + +void tui_progress__init(void) +{ + ui_progress__ops = &tui_progress__ops; +} diff --git a/kernel/tools/perf/ui/tui/setup.c b/kernel/tools/perf/ui/tui/setup.c new file mode 100644 index 000000000..b77e1d771 --- /dev/null +++ b/kernel/tools/perf/ui/tui/setup.c @@ -0,0 +1,174 @@ +#include <signal.h> +#include <stdbool.h> +#ifdef HAVE_BACKTRACE_SUPPORT +#include <execinfo.h> +#endif + +#include "../../util/cache.h" +#include "../../util/debug.h" +#include "../browser.h" +#include "../helpline.h" +#include "../ui.h" +#include "../util.h" +#include "../libslang.h" +#include "../keysyms.h" +#include "tui.h" + +static volatile int ui__need_resize; + +extern struct perf_error_ops perf_tui_eops; +extern bool tui_helpline__set; + +extern void hist_browser__init_hpp(void); + +void ui__refresh_dimensions(bool force) +{ + if (force || ui__need_resize) { + ui__need_resize = 0; + pthread_mutex_lock(&ui__lock); + SLtt_get_screen_size(); + SLsmg_reinit_smg(); + pthread_mutex_unlock(&ui__lock); + } +} + +static void ui__sigwinch(int sig __maybe_unused) +{ + ui__need_resize = 1; +} + +static void ui__setup_sigwinch(void) +{ + static bool done; + + if (done) + return; + + done = true; + pthread__unblock_sigwinch(); + signal(SIGWINCH, ui__sigwinch); +} + +int ui__getch(int delay_secs) +{ + struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL; + fd_set read_set; + int err, key; + + ui__setup_sigwinch(); + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + + if (delay_secs) { + timeout.tv_sec = delay_secs; + timeout.tv_usec = 0; + } + + err = select(1, &read_set, NULL, NULL, ptimeout); + + if (err == 0) + return K_TIMER; + + if (err == -1) { + if (errno == EINTR) + return K_RESIZE; + return K_ERROR; + } + + key = SLang_getkey(); + if (key != K_ESC) + return key; + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + timeout.tv_sec = 0; + timeout.tv_usec = 20; + err = select(1, &read_set, NULL, NULL, &timeout); + if (err == 0) + return K_ESC; + + SLang_ungetkey(key); + return SLkp_getkey(); +} + +#ifdef HAVE_BACKTRACE_SUPPORT +static void ui__signal_backtrace(int sig) +{ + void *stackdump[32]; + size_t size; + + ui__exit(false); + psignal(sig, "perf"); + + printf("-------- backtrace --------\n"); + size = backtrace(stackdump, ARRAY_SIZE(stackdump)); + backtrace_symbols_fd(stackdump, size, STDOUT_FILENO); + + exit(0); +} +#else +# define ui__signal_backtrace ui__signal +#endif + +static void ui__signal(int sig) +{ + ui__exit(false); + psignal(sig, "perf"); + exit(0); +} + +int ui__init(void) +{ + int err; + + SLutf8_enable(-1); + SLtt_get_terminfo(); + SLtt_get_screen_size(); + + err = SLsmg_init_smg(); + if (err < 0) + goto out; + err = SLang_init_tty(0, 0, 0); + if (err < 0) + goto out; + + err = SLkp_init(); + if (err < 0) { + pr_err("TUI initialization failed.\n"); + goto out; + } + + SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB); + + ui_helpline__init(); + ui_browser__init(); + tui_progress__init(); + + signal(SIGSEGV, ui__signal_backtrace); + signal(SIGFPE, ui__signal_backtrace); + signal(SIGINT, ui__signal); + signal(SIGQUIT, ui__signal); + signal(SIGTERM, ui__signal); + + perf_error__register(&perf_tui_eops); + + hist_browser__init_hpp(); +out: + return err; +} + +void ui__exit(bool wait_for_ok) +{ + if (wait_for_ok && tui_helpline__set) + ui__question_window("Fatal Error", + ui_helpline__last_msg, + "Press any key...", 0); + + SLtt_set_cursor_visibility(1); + SLsmg_refresh(); + SLsmg_reset_smg(); + SLang_reset_tty(); + + perf_error__unregister(&perf_tui_eops); +} diff --git a/kernel/tools/perf/ui/tui/tui.h b/kernel/tools/perf/ui/tui/tui.h new file mode 100644 index 000000000..18961c7b6 --- /dev/null +++ b/kernel/tools/perf/ui/tui/tui.h @@ -0,0 +1,6 @@ +#ifndef _PERF_TUI_H_ +#define _PERF_TUI_H_ 1 + +void tui_progress__init(void); + +#endif /* _PERF_TUI_H_ */ diff --git a/kernel/tools/perf/ui/tui/util.c b/kernel/tools/perf/ui/tui/util.c new file mode 100644 index 000000000..bf890f72f --- /dev/null +++ b/kernel/tools/perf/ui/tui/util.c @@ -0,0 +1,256 @@ +#include "../../util/util.h" +#include <signal.h> +#include <stdbool.h> +#include <string.h> +#include <sys/ttydefaults.h> + +#include "../../util/cache.h" +#include "../../util/debug.h" +#include "../browser.h" +#include "../keysyms.h" +#include "../helpline.h" +#include "../ui.h" +#include "../util.h" +#include "../libslang.h" + +static void ui_browser__argv_write(struct ui_browser *browser, + void *entry, int row) +{ + char **arg = entry; + bool current_entry = ui_browser__is_current_entry(browser, row); + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + slsmg_write_nstring(*arg, browser->width); +} + +static int popup_menu__run(struct ui_browser *menu) +{ + int key; + + if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0) + return -1; + + while (1) { + key = ui_browser__run(menu, 0); + + switch (key) { + case K_RIGHT: + case K_ENTER: + key = menu->index; + break; + case K_LEFT: + case K_ESC: + case 'q': + case CTRL('c'): + key = -1; + break; + default: + continue; + } + + break; + } + + ui_browser__hide(menu); + return key; +} + +int ui__popup_menu(int argc, char * const argv[]) +{ + struct ui_browser menu = { + .entries = (void *)argv, + .refresh = ui_browser__argv_refresh, + .seek = ui_browser__argv_seek, + .write = ui_browser__argv_write, + .nr_entries = argc, + }; + + return popup_menu__run(&menu); +} + +int ui_browser__input_window(const char *title, const char *text, char *input, + const char *exit_msg, int delay_secs) +{ + int x, y, len, key; + int max_len = 60, nr_lines = 0; + static char buf[50]; + const char *t; + + t = text; + while (1) { + const char *sep = strchr(t, '\n'); + + if (sep == NULL) + sep = strchr(t, '\0'); + len = sep - t; + if (max_len < len) + max_len = len; + ++nr_lines; + if (*sep == '\0') + break; + t = sep + 1; + } + + pthread_mutex_lock(&ui__lock); + + max_len += 2; + nr_lines += 8; + y = SLtt_Screen_Rows / 2 - nr_lines / 2; + x = SLtt_Screen_Cols / 2 - max_len / 2; + + SLsmg_set_color(0); + SLsmg_draw_box(y, x++, nr_lines, max_len); + if (title) { + SLsmg_gotorc(y, x + 1); + SLsmg_write_string((char *)title); + } + SLsmg_gotorc(++y, x); + nr_lines -= 7; + max_len -= 2; + SLsmg_write_wrapped_string((unsigned char *)text, y, x, + nr_lines, max_len, 1); + y += nr_lines; + len = 5; + while (len--) { + SLsmg_gotorc(y + len - 1, x); + SLsmg_write_nstring((char *)" ", max_len); + } + SLsmg_draw_box(y++, x + 1, 3, max_len - 2); + + SLsmg_gotorc(y + 3, x); + SLsmg_write_nstring((char *)exit_msg, max_len); + SLsmg_refresh(); + + pthread_mutex_unlock(&ui__lock); + + x += 2; + len = 0; + key = ui__getch(delay_secs); + while (key != K_TIMER && key != K_ENTER && key != K_ESC) { + pthread_mutex_lock(&ui__lock); + + if (key == K_BKSPC) { + if (len == 0) { + pthread_mutex_unlock(&ui__lock); + goto next_key; + } + SLsmg_gotorc(y, x + --len); + SLsmg_write_char(' '); + } else { + buf[len] = key; + SLsmg_gotorc(y, x + len++); + SLsmg_write_char(key); + } + SLsmg_refresh(); + + pthread_mutex_unlock(&ui__lock); + + /* XXX more graceful overflow handling needed */ + if (len == sizeof(buf) - 1) { + ui_helpline__push("maximum size of symbol name reached!"); + key = K_ENTER; + break; + } +next_key: + key = ui__getch(delay_secs); + } + + buf[len] = '\0'; + strncpy(input, buf, len+1); + return key; +} + +int ui__question_window(const char *title, const char *text, + const char *exit_msg, int delay_secs) +{ + int x, y; + int max_len = 0, nr_lines = 0; + const char *t; + + t = text; + while (1) { + const char *sep = strchr(t, '\n'); + int len; + + if (sep == NULL) + sep = strchr(t, '\0'); + len = sep - t; + if (max_len < len) + max_len = len; + ++nr_lines; + if (*sep == '\0') + break; + t = sep + 1; + } + + pthread_mutex_lock(&ui__lock); + + max_len += 2; + nr_lines += 4; + y = SLtt_Screen_Rows / 2 - nr_lines / 2, + x = SLtt_Screen_Cols / 2 - max_len / 2; + + SLsmg_set_color(0); + SLsmg_draw_box(y, x++, nr_lines, max_len); + if (title) { + SLsmg_gotorc(y, x + 1); + SLsmg_write_string((char *)title); + } + SLsmg_gotorc(++y, x); + nr_lines -= 2; + max_len -= 2; + SLsmg_write_wrapped_string((unsigned char *)text, y, x, + nr_lines, max_len, 1); + SLsmg_gotorc(y + nr_lines - 2, x); + SLsmg_write_nstring((char *)" ", max_len); + SLsmg_gotorc(y + nr_lines - 1, x); + SLsmg_write_nstring((char *)exit_msg, max_len); + SLsmg_refresh(); + + pthread_mutex_unlock(&ui__lock); + + return ui__getch(delay_secs); +} + +int ui__help_window(const char *text) +{ + return ui__question_window("Help", text, "Press any key...", 0); +} + +int ui__dialog_yesno(const char *msg) +{ + return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0); +} + +static int __ui__warning(const char *title, const char *format, va_list args) +{ + char *s; + + if (vasprintf(&s, format, args) > 0) { + int key; + + key = ui__question_window(title, s, "Press any key...", 0); + free(s); + return key; + } + + fprintf(stderr, "%s\n", title); + vfprintf(stderr, format, args); + return K_ESC; +} + +static int perf_tui__error(const char *format, va_list args) +{ + return __ui__warning("Error:", format, args); +} + +static int perf_tui__warning(const char *format, va_list args) +{ + return __ui__warning("Warning:", format, args); +} + +struct perf_error_ops perf_tui_eops = { + .error = perf_tui__error, + .warning = perf_tui__warning, +}; diff --git a/kernel/tools/perf/ui/ui.h b/kernel/tools/perf/ui/ui.h new file mode 100644 index 000000000..ab88383f8 --- /dev/null +++ b/kernel/tools/perf/ui/ui.h @@ -0,0 +1,29 @@ +#ifndef _PERF_UI_H_ +#define _PERF_UI_H_ 1 + +#include <pthread.h> +#include <stdbool.h> +#include <linux/compiler.h> + +extern pthread_mutex_t ui__lock; +extern void *perf_gtk_handle; + +extern int use_browser; + +void setup_browser(bool fallback_to_pager); +void exit_browser(bool wait_for_ok); + +#ifdef HAVE_SLANG_SUPPORT +int ui__init(void); +void ui__exit(bool wait_for_ok); +#else +static inline int ui__init(void) +{ + return -1; +} +static inline void ui__exit(bool wait_for_ok __maybe_unused) {} +#endif + +void ui__refresh_dimensions(bool force); + +#endif /* _PERF_UI_H_ */ diff --git a/kernel/tools/perf/ui/util.c b/kernel/tools/perf/ui/util.c new file mode 100644 index 000000000..e3e0a963d --- /dev/null +++ b/kernel/tools/perf/ui/util.c @@ -0,0 +1,84 @@ +#include "util.h" +#include "../debug.h" + + +/* + * Default error logging functions + */ +static int perf_stdio__error(const char *format, va_list args) +{ + fprintf(stderr, "Error:\n"); + vfprintf(stderr, format, args); + return 0; +} + +static int perf_stdio__warning(const char *format, va_list args) +{ + fprintf(stderr, "Warning:\n"); + vfprintf(stderr, format, args); + return 0; +} + +static struct perf_error_ops default_eops = +{ + .error = perf_stdio__error, + .warning = perf_stdio__warning, +}; + +static struct perf_error_ops *perf_eops = &default_eops; + + +int ui__error(const char *format, ...) +{ + int ret; + va_list args; + + va_start(args, format); + ret = perf_eops->error(format, args); + va_end(args); + + return ret; +} + +int ui__warning(const char *format, ...) +{ + int ret; + va_list args; + + va_start(args, format); + ret = perf_eops->warning(format, args); + va_end(args); + + return ret; +} + +/** + * perf_error__register - Register error logging functions + * @eops: The pointer to error logging function struct + * + * Register UI-specific error logging functions. Before calling this, + * other logging functions should be unregistered, if any. + */ +int perf_error__register(struct perf_error_ops *eops) +{ + if (perf_eops != &default_eops) + return -1; + + perf_eops = eops; + return 0; +} + +/** + * perf_error__unregister - Unregister error logging functions + * @eops: The pointer to error logging function struct + * + * Unregister already registered error logging functions. + */ +int perf_error__unregister(struct perf_error_ops *eops) +{ + if (perf_eops != eops) + return -1; + + perf_eops = &default_eops; + return 0; +} diff --git a/kernel/tools/perf/ui/util.h b/kernel/tools/perf/ui/util.h new file mode 100644 index 000000000..361f08c52 --- /dev/null +++ b/kernel/tools/perf/ui/util.h @@ -0,0 +1,21 @@ +#ifndef _PERF_UI_UTIL_H_ +#define _PERF_UI_UTIL_H_ 1 + +#include <stdarg.h> + +int ui__getch(int delay_secs); +int ui__popup_menu(int argc, char * const argv[]); +int ui__help_window(const char *text); +int ui__dialog_yesno(const char *msg); +int ui__question_window(const char *title, const char *text, + const char *exit_msg, int delay_secs); + +struct perf_error_ops { + int (*error)(const char *format, va_list args); + int (*warning)(const char *format, va_list args); +}; + +int perf_error__register(struct perf_error_ops *eops); +int perf_error__unregister(struct perf_error_ops *eops); + +#endif /* _PERF_UI_UTIL_H_ */ |